1099 error codes with Error severity level
Akousa400The server cannot process the request due to a client error, such as malformed syntax, invalid parameters, or corrupt data.
401The request requires user authentication. The client must provide valid credentials to access the resource.
402The request requires payment. This status code is reserved for future use but is used by some APIs to indicate billing issues.
403The server understood the request but refuses to authorize it. Unlike 401, re-authenticating will not help.
404The server cannot find the requested resource. The URL may be incorrect or the resource may have been deleted.
405The HTTP method used is not supported for the requested resource.
406The server cannot produce a response matching the list of acceptable values defined in the request's Accept headers.
407The client must first authenticate with the proxy before the request can be forwarded to the target server.
408The server timed out waiting for the client to complete the request.
409The request conflicts with the current state of the server resource.
410The resource is no longer available and has been permanently removed. Unlike 404, this indicates intentional removal.
411The server requires a Content-Length header in the request but none was provided.
412One or more conditions specified in the request headers evaluated to false on the server.
413The request body exceeds the size limit configured on the server.
414The request URL is longer than the server is willing to interpret.
415The server refuses the request because the Content-Type of the request body is not supported.
416The client requested a range that is not available for the given resource.
417The server cannot meet the expectation specified in the Expect request header.
421The request was directed at a server that is not able to produce a response for the combination of scheme and authority in the request URI.
422The server understands the content type and syntax but cannot process the contained instructions due to semantic errors.
423The resource being accessed is locked and cannot be modified (WebDAV).
424The request failed because it depended on another request that failed (WebDAV).
425The server is unwilling to process a request that might be replayed, to avoid potential replay attacks.
426The server refuses to perform the request using the current protocol and requires the client to upgrade.
428The server requires the request to be conditional to prevent the 'lost update' problem.
431The server refuses the request because one or more header fields are too large.
451The resource is unavailable due to legal demands, such as censorship or court orders.
500The server encountered an unexpected condition that prevented it from fulfilling the request.
501The server does not support the functionality required to fulfill the request.
502A gateway or proxy server received an invalid response from the upstream server.
503The server is temporarily unable to handle the request due to maintenance or overloading.
504A gateway or proxy server did not receive a timely response from the upstream server.
505The server does not support the HTTP protocol version used in the request.
506The server has an internal configuration error where the chosen variant resource is configured to engage in content negotiation itself.
507The server cannot store the representation needed to complete the request (WebDAV).
508The server detected an infinite loop while processing the request (WebDAV).
510The server requires further extensions to the request in order to fulfill it.
511The client needs to authenticate to gain network access, typically for captive portals.
520Cloudflare received an unexpected or empty response from the origin server.
521The origin web server has refused the connection from Cloudflare.
522Cloudflare could not negotiate a TCP handshake with the origin server.
523Cloudflare could not reach the origin server, typically due to DNS issues.
524Cloudflare established a TCP connection but the origin server did not respond with an HTTP response in time.
525Cloudflare could not complete an SSL/TLS handshake with the origin server.
526Cloudflare could not validate the SSL certificate on the origin server.
527A Cloudflare Railgun connection error occurred between the Cloudflare edge and the Railgun listener.
TypeErrorA value is not of the expected type. This is the most common JavaScript error, occurring when an operation encounters a value of the wrong type.
TypeError: x is not a functionAn attempt was made to call a value as a function when it is not a function.
TypeError: Cannot read properties of undefined/nullAn attempt was made to access a property or method on undefined or null.
TypeError: Cannot set properties of undefined/nullAn attempt was made to set a property on undefined or null.
TypeError: x is not iterableA value that is not iterable was used where an iterable was expected, such as in a for...of loop or spread operator.
TypeError: x is not a constructorAn attempt was made to use the new keyword with a value that is not a constructor.
TypeError: Assignment to constant variableAn attempt was made to reassign a variable declared with const.
TypeError: Cannot convert undefined or null to objectA built-in method that expects an object received null or undefined instead.
TypeError: Reduce of empty array with no initial valueArray.reduce() was called on an empty array without providing an initial value.
TypeError: Cannot assign to read only propertyAn attempt was made to write to a property that is read-only, either because the object is frozen or the property is defined as non-writable.
ReferenceErrorA reference was made to a variable that does not exist in the current scope.
ReferenceError: x is not definedA variable was referenced that has not been declared in any accessible scope.
ReferenceError: Cannot access before initializationA variable declared with let or const was accessed before its declaration in the temporal dead zone.
ReferenceError: Invalid left-hand side in assignmentAn assignment was attempted to something that cannot be assigned to.
SyntaxErrorThe JavaScript engine encountered code that does not conform to the language syntax.
SyntaxError: Unexpected tokenThe parser encountered a token (character or keyword) that was not expected at that position in the code.
SyntaxError: Unexpected end of inputThe parser reached the end of the input while still expecting more code, usually due to unclosed brackets or strings.
SyntaxError: JSON.parse unexpected characterJSON.parse() encountered invalid JSON syntax, such as single quotes, trailing commas, or unquoted keys.
SyntaxError: Missing ) after argument listA function call is missing its closing parenthesis.
SyntaxError: Unterminated string literalA string literal is missing its closing quote.
SyntaxError: Illegal return statementA return statement was used outside of a function body.
SyntaxError: Identifier has already been declaredA variable with the same name was declared twice in the same scope using let or const.
SyntaxError: Cannot use import statement outside a moduleES module import syntax was used in a file that is not treated as a module.
SyntaxError: await is only valid in async functionsThe await keyword was used outside of an async function.
RangeErrorA value is not within the expected range, such as an invalid array length or exceeding the call stack size.
RangeError: Invalid array lengthAn array was created with an invalid length, such as a negative number or a non-integer.
RangeError: Invalid dateAn invalid date string was passed to a Date method that requires a valid date.
RangeError: precision is out of rangeA precision value passed to toFixed(), toPrecision(), or toExponential() is outside the allowed range.
URIErrorA global URI handling function (decodeURIComponent, encodeURI) received a malformed URI.
EvalErrorAn error related to the global eval() function. This error is rarely encountered in modern JavaScript.
AggregateErrorAn error that wraps multiple errors, typically thrown when all promises in Promise.any() are rejected.
DOMException: NetworkErrorA network operation failed, typically during a fetch request when the network is unreachable.
DOMException: QuotaExceededErrorA storage operation exceeded the available quota for localStorage, IndexedDB, or other browser storage.
DOMException: SecurityErrorA security-sensitive operation was blocked by the browser's security policies.
DOMException: NotAllowedErrorA browser API call was blocked because it requires user interaction or permission that was not granted.
CORS Error: No Access-Control-Allow-OriginThe browser blocked a cross-origin request because the server did not include the required CORS headers.
CORS Error: Preflight request failedThe browser's CORS preflight OPTIONS request was rejected or returned invalid CORS headers.
ECONNREFUSEDThe connection was refused because no server is listening on the target address and port.
ECONNRESETThe remote server forcibly closed the connection.
EADDRINUSEThe address (port) is already in use by another process.
ENOTFOUNDDNS lookup failed; the hostname could not be resolved to an IP address.
ETIMEDOUTA connection or operation timed out because the remote host did not respond in time.
ENOENTThe specified file or directory does not exist at the given path.
EACCESThe process does not have permission to access the file or resource.
EPERMThe operation is not permitted, even with appropriate permissions, due to OS-level restrictions.
EMFILEThe process has reached the maximum number of open file descriptors allowed.
ENFILEThe system-wide limit on the total number of open files has been reached.
EISDIRA file operation was attempted on a path that is a directory.
ENOTDIRA directory operation was attempted on a path that is not a directory.
EEXISTA file creation operation failed because the target path already exists.
EPIPEAn attempt was made to write to a pipe or socket whose reading end has been closed.
ENOSPCThe disk is full or the inode table is exhausted.
ERR_HTTP_HEADERS_SENTAn attempt was made to set headers or send a response after the HTTP response was already sent.
ERR_MODULE_NOT_FOUNDAn ES module import could not be resolved because the specified file does not exist.
ERR_REQUIRE_ESMA require() call was used to load an ES module, which is not allowed.
ERR_INVALID_ARG_TYPEA Node.js API received an argument of the wrong type.
ERR_INVALID_URLAn invalid URL was passed to the URL constructor or a Node.js API.
ERR_SOCKET_BAD_PORTAn invalid port number was specified for a network operation.
ERR_TLS_CERT_ALTNAME_INVALIDThe hostname does not match any of the Subject Alternative Names (SANs) in the server's TLS certificate.
ERR_BUFFER_OUT_OF_BOUNDSAn attempt was made to read or write outside the bounds of a Buffer.
ERR_STREAM_PREMATURE_CLOSEA stream was closed before it finished reading or writing all data.
ERR_MISSING_ARGSA required argument was not passed to a Node.js API function.
ERR_UNESCAPED_CHARACTERSA string containing unescaped characters was passed where an escaped string was expected.
ERR_UNKNOWN_ENCODINGAn unknown or unsupported encoding was passed to a Node.js API.
ERR_CRYPTO_INVALID_STATEA crypto operation was performed in an invalid state.
ERR_DLOPEN_FAILEDA native addon (C++ .node file) failed to load.
ERR_OSSL_EVP_UNSUPPORTEDAn OpenSSL operation is unsupported, typically because Node.js 17+ uses OpenSSL 3.0 which disables legacy algorithms.
ERR_SERVER_ALREADY_LISTENThe server.listen() method was called when the server is already listening.
ERR_FS_CP_DIR_TO_NON_DIRAn attempt was made to copy a directory to a non-directory destination.
Error: Cannot find moduleNode.js could not locate the specified module in any of the searched paths.
ECONNABORTEDA connection was aborted, typically due to a timeout on the client side.
EHOSTUNREACHThe target host is unreachable, typically due to network routing issues.
ENETUNREACHThe network is unreachable; no route to the target network could be found.
ERR_ASSERTIONAn assertion from the Node.js assert module failed.
SyntaxErrorPython encountered invalid syntax that cannot be parsed.
IndentationErrorThe code has incorrect indentation, which is syntactically significant in Python.
TabErrorIndentation uses an inconsistent mix of tabs and spaces.
TypeErrorAn operation or function was applied to an object of an inappropriate type.
ValueErrorA function received an argument of the right type but an inappropriate value.
KeyErrorA dictionary key was not found in the dictionary.
IndexErrorA sequence index is out of the valid range for the given sequence.
AttributeErrorAn object does not have the requested attribute or method.
NameErrorA local or global name was referenced that has not been defined.
UnboundLocalErrorA local variable was referenced before it was assigned a value.
ImportErrorAn import statement failed to find or load the specified module or name.
ModuleNotFoundErrorPython could not find the specified module to import.
FileNotFoundErrorThe specified file or directory does not exist.
FileExistsErrorAn operation failed because the file or directory already exists.
PermissionErrorThe operation is not permitted due to insufficient file system permissions.
OSErrorA system-level error occurred during an I/O operation.
IOErrorAn I/O operation failed. IOError is an alias for OSError in Python 3.
IsADirectoryErrorA file operation was attempted on a path that is a directory.
NotADirectoryErrorA directory operation was attempted on a path that is not a directory.
ZeroDivisionErrorA division or modulo operation was attempted with zero as the divisor.
ArithmeticErrorBase class for arithmetic errors including ZeroDivisionError, OverflowError, and FloatingPointError.
OverflowErrorThe result of an arithmetic operation is too large to be represented.
FloatingPointErrorA floating point operation failed. Rarely seen unless fpectl is enabled.
RecursionErrorThe maximum recursion depth was exceeded.
RuntimeErrorA generic runtime error that does not fall into any other category.
NotImplementedErrorA method that should be implemented by a subclass has not been implemented yet.
LookupErrorBase class for errors raised when a key or index is not found (KeyError, IndexError).
AssertionErrorAn assert statement failed because the condition evaluated to False.
EOFErrorThe input() function or raw_input() hit end-of-file without reading any data.
UnicodeEncodeErrorA Unicode string could not be encoded to the target encoding.
UnicodeDecodeErrorA byte sequence could not be decoded using the specified encoding.
UnicodeTranslateErrorA Unicode translation operation failed for a specific character.
ConnectionErrorA connection-related error occurred during a network operation.
ConnectionRefusedErrorThe connection was refused because no server is listening on the target address.
ConnectionResetErrorThe connection was forcibly closed by the remote server.
ConnectionAbortedErrorThe connection was aborted by the local machine.
BrokenPipeErrorAn attempt was made to write to a pipe or socket whose reading end has been closed.
TimeoutErrorA system-level timeout occurred during a blocking operation.
ChildProcessErrorA child process operation failed.
ProcessLookupErrorRaised when a given process (typically a PID) does not exist.
BlockingIOErrorAn I/O operation would block on a non-blocking object.
EnvironmentErrorAn alias for OSError. Exists for backward compatibility with Python 2.
BufferErrorAn operation on a buffer object failed.
ExceptionGroupA container for multiple exceptions, introduced in Python 3.11 for structured concurrency.
requests.exceptions.ConnectionErrorThe requests library failed to establish a connection to the target server.
requests.exceptions.TimeoutA request timed out while waiting for a response from the server.
requests.exceptions.HTTPErrorAn HTTP error response (4xx or 5xx) was received and raise_for_status() was called.
json.JSONDecodeErrorThe JSON decoder could not parse the provided string as valid JSON.
pickle.UnpicklingErrorThe pickle module could not deserialize the provided data.
asyncio.TimeoutErrorAn asyncio operation exceeded its timeout.
struct.errorAn error occurred while packing or unpacking binary data with the struct module.
re.errorThe regular expression pattern contains invalid syntax.
subprocess.CalledProcessErrorA subprocess exited with a non-zero return code.
fatal: not a git repositoryThe current directory is not inside a Git repository.
CONFLICT (content): Merge conflictGit could not automatically merge changes because the same lines were modified in both branches.
fatal: refusing to merge unrelated historiesGit refuses to merge two branches that do not share a common ancestor.
error: Your local changes would be overwrittenGit refuses to perform an operation because it would overwrite uncommitted local changes.
error: failed to push some refsThe push was rejected because the remote has changes you do not have locally.
error: non-fast-forward updateThe push would rewrite history on the remote branch and is rejected.
fatal: A branch named 'x' already existsA branch with the specified name already exists in the repository.
error: Cannot delete branch currently checked outYou cannot delete the branch you are currently on.
error: empty commit messageThe commit was aborted because the commit message is empty.
fatal: ambiguous argumentGit cannot determine if the argument refers to a revision, path, or something else.
fatal: bad revisionThe specified revision (commit hash, branch name, tag) does not exist.
fatal: remote origin already existsA remote with the specified name is already configured.
fatal: 'origin' does not appear to be a git repositoryGit could not connect to the specified remote repository.
fatal: Authentication failedGit authentication with the remote server failed.
Permission denied (publickey)SSH authentication failed because the server did not accept your public key.
fatal: unable to access: Could not resolve hostDNS resolution failed for the Git remote host.
error: could not apply commitA conflict occurred while applying a commit during rebase.
error: could not apply (cherry-pick)A conflict occurred while cherry-picking a commit.
fatal: Unable to create lock fileA Git lock file (.lock) exists, preventing the operation.
error: pathspec did not match any filesThe specified file pattern did not match any tracked files.
error: LFS object not foundA Git LFS tracked file could not be downloaded from the LFS server.
fatal: No submodule mapping foundGit submodules are referenced but not properly initialized.
remote: error: File is too largeA file exceeds the maximum file size allowed by the remote hosting service.
fatal: shallow update not allowedA push from a shallow clone was rejected because the remote does not allow shallow updates.
error: cannot rebase: You have unstaged changesGit refuses to rebase because there are uncommitted changes in the working directory.
fatal: bad objectThe referenced Git object does not exist or is corrupted.
There is no tracking information for the current branchThe current branch is not set up to track a remote branch.
fatal: refusing to merge unrelated historiesGit refuses to merge branches that do not share a common ancestor commit.
remote: error: hook declined to updateA server-side Git hook rejected the push.
remote: error: GH006: Protected branch update failedA push to a protected branch was rejected due to branch protection rules.
fatal: Not possible to fast-forward, abortingA pull with --ff-only failed because the branches have diverged.
fatal: tag already existsA tag with the specified name already exists.
error: No stash entries foundThere are no stashed changes to apply or pop.
fatal: This operation must be run in a work treeThe operation requires a working tree but the repository is bare (no working directory).
error: unable to find objectA Git object referenced in the repository could not be found.
fatal: branch is already checked out at another worktreeThe branch cannot be checked out because it is already checked out in another worktree.
Exit Code 1The container process exited with a general error.
Exit Code 2The container process exited due to a misuse of a shell command.
Exit Code 125The Docker daemon itself encountered an error before the container process could start.
Exit Code 126The container's command was found but could not be executed.
Exit Code 127The container's command was not found.
Exit Code 128The container process received an invalid exit signal.
Exit Code 255The container exited with an unspecified or unknown error.
Cannot connect to the Docker daemonThe Docker client cannot communicate with the Docker daemon process.
permission denied while trying to connect to Docker daemonThe current user does not have permission to access the Docker daemon socket.
Error: No such imageThe specified Docker image does not exist locally.
Error: No such containerThe specified container ID or name does not exist.
Error: pull access deniedDocker cannot pull the image because of authentication or authorization issues.
Error: port is already allocatedThe host port you are trying to bind is already in use by another process or container.
Error: network not foundThe specified Docker network does not exist.
Error: No such volumeThe specified Docker volume does not exist.
Error: volume is in useThe Docker volume cannot be removed because it is still mounted by a container.
Error: no space left on deviceThe Docker host has run out of disk space.
Error: Cannot locate specified DockerfileDocker build cannot find the Dockerfile in the specified location.
Error: build context too largeThe Docker build context directory contains too many files or is too large.
COPY failed: file not found in build contextA COPY instruction in the Dockerfile could not find the specified file in the build context.
Error: pull access denied for base imageThe base image specified in the FROM instruction could not be found or accessed.
Error: no configuration file providedDocker Compose cannot find a docker-compose.yml or compose.yaml file.
Error: yaml: unmarshal errorsThe Docker Compose file contains invalid YAML syntax.
Error: no such serviceThe specified service name does not exist in the Docker Compose file.
Error: service dependency failed to startA service that another service depends on failed to start.
Error: container is not runningAn operation that requires a running container was attempted on a stopped container.
Error: Conflict. The container name is already in useA container with the specified name already exists (running or stopped).
exec format errorThe container tried to execute a binary that is incompatible with its platform architecture.
Error: manifest not foundThe image manifest could not be found in the registry.
Error: DNS resolution failedA container could not resolve a hostname via DNS.
Error: connection refused between containersA container could not connect to another container on the network.
Error: layer not foundA layer referenced by an image could not be found in the local cache or registry.
Error: ENTRYPOINT not foundThe entrypoint binary or script specified in the image does not exist.
Error: read-only file systemAn attempt to write to the container's filesystem failed because it is mounted as read-only.
Error: too many open files in containerThe container exceeded its file descriptor limit.
Error: target stage not found in DockerfileThe specified build target does not match any stage name in the Dockerfile.
Error: secret not foundA Docker secret referenced by a service does not exist.
Error: toomanyrequests: Rate limit exceededDocker Hub's pull rate limit has been exceeded.
Error: container has too many PIDsThe container exceeded its process ID limit.
Error: bind mount source path does not existThe host directory specified for a bind mount does not exist.
Error: error getting credentialsDocker's credential helper failed to retrieve stored credentials.
Error: Pool overlaps with other networkThe IP address range for a new Docker network conflicts with an existing network.
Error: cgroup memory limit exceededThe container exceeded its cgroup memory limit, which is enforced by the Linux kernel.
Error: storage driver errorDocker's storage driver encountered an error managing image layers or container filesystems.
Error: invalid IPC modeAn invalid IPC (Inter-Process Communication) mode was specified.
Error: no such deviceA device specified with --device does not exist on the host.
Error: dial tcp: lookup registry-1.docker.io: no such hostDocker cannot reach the container registry to pull or push images.
Error: net/http: TLS handshake timeoutThe TLS handshake with the Docker registry timed out.
TypeError: Converting circular structure to JSONJSON.stringify() encountered an object with circular references that cannot be serialized to JSON.
TypeError: Method called on incompatible receiverA method was called with a 'this' value that is not the expected type.
TypeError: Cannot delete property of objectAn attempt was made to delete a non-configurable property of an object in strict mode.
TypeError: Cannot convert a Symbol value to a stringAn implicit conversion of a Symbol to a string was attempted, which is not allowed.
TypeError: Cannot add property, object is not extensibleAn attempt was made to add a property to an object that has been made non-extensible.
SyntaxError: Applying delete to unqualified name in strict modeThe delete operator was used on a plain variable name in strict mode, which is not allowed.
SyntaxError: Missing initializer in const declarationA const variable was declared without an initial value.
SyntaxError: JSON.parse: bad parsingFirefox-specific error message for invalid JSON passed to JSON.parse().
ERR_STREAM_WRITE_AFTER_ENDAn attempt was made to write to a stream after it has been ended.
ERR_HTTP2_STREAM_ERRORAn error occurred on an HTTP/2 stream.
ERR_CHILD_PROCESS_STDIO_MAXBUFFERA child process produced more output than the maxBuffer limit allows.
ERR_INVALID_RETURN_VALUEA function returned a value of an unexpected type.
ERR_UNHANDLED_REJECTIONNode.js is configured to throw on unhandled promise rejections and one was detected.
ERR_ASYNC_CALLBACKA non-function value was passed where an async callback was expected.
ERR_PACKAGE_PATH_NOT_EXPORTEDA subpath of a package was imported that is not defined in the package's exports field.
ERR_IMPORT_ASSERTION_TYPE_FAILEDAn import assertion specified a type that does not match the actual module type.
ERR_NETWORK_IMPORT_DISALLOWEDA network import (HTTP/HTTPS) was attempted but is not allowed by the current Node.js configuration.
ERR_INSPECTOR_ALREADY_ACTIVATEDThe Node.js inspector (debugger) was activated more than once.
DOMException: InvalidStateErrorAn operation was attempted on an object that is in an invalid state for that operation.
DOMException: DataCloneErrorAn object could not be cloned using the structured clone algorithm.
TypeError: unhashable typeA mutable object was used where a hashable (immutable) object is required, such as a dictionary key or set element.
TypeError: missing required positional argumentA function was called without providing all required positional arguments.
TypeError: object is not subscriptableBracket notation ([]) was used on an object that does not support indexing.
TypeError: object is not callableAn object that is not a function was called with parentheses ().
TypeError: object is not iterableAn object that does not support iteration was used in a for loop, unpacking, or other iterable context.
django.core.exceptions.ImproperlyConfiguredDjango detected a misconfiguration in the project's settings.
Model.DoesNotExistA Django ORM query with .get() did not find a matching record.
sqlalchemy.exc.OperationalErrorA database operation failed due to a connection or database-level error.
pandas KeyError: column not foundA DataFrame column access failed because the specified column name does not exist.
numpy ValueError: shape mismatchA numpy operation failed because the array shapes are incompatible.
pip: ERROR: Could not install packagespip failed to install one or more Python packages.
ssl.SSLCertVerificationError: certificate verify failedSSL certificate verification failed during a secure connection.
socket.gaierror: Name or service not knownDNS resolution failed for the specified hostname.
concurrent.futures.TimeoutErrorA Future did not complete within the specified timeout period.
pydantic.ValidationErrorPydantic data validation failed because the input data does not match the model's schema.
multiprocessing.AuthenticationErrorAuthentication failed when connecting to a multiprocessing server.
error: gpg failed to sign the dataGit could not sign the commit or tag using GPG.
fatal: refname is not a valid ref nameThe branch or tag name contains invalid characters.
error: Entry has been modified in the work treeA Git operation was blocked because files in the working tree have been modified.
error: pack exceeds maximum allowed sizeA Git pack operation exceeded the maximum allowed size.
error: sparse-checkout is not enabledA sparse-checkout operation was attempted but the feature is not enabled.
EPERMThe process does not have the required permissions to perform the requested operation.
ENOENTThe specified file or directory does not exist in the filesystem.
ESRCHNo process matching the specified process ID was found.
ENXIOThe device specified by a special file does not exist or is not configured.
E2BIGThe total size of the argument list and environment variables passed to exec() exceeds the system limit.
ENOEXECAn attempt was made to execute a file that is not in a recognized executable format.
EBADFA file descriptor argument is not a valid open file descriptor or is not open for the requested operation.
ECHILDThe calling process has no existing child processes to wait for.
EACCESThe requested access to a file or resource is not allowed by the file permissions.
ENOTBLKA non-block device was specified where a block device is required.
EBUSYThe requested resource is currently in use and cannot be exclusively accessed or modified.
EEXISTA file creation operation failed because a file with the specified name already exists.
EXDEVAn attempt was made to create a hard link across different filesystems.
ENODEVThe requested device type or device driver is not available in the system.
ENOTDIRA component used as a directory in a pathname is not actually a directory.
EISDIRThe operation is not permitted on a directory, but the target path is a directory.
EINVALAn invalid argument was passed to a system call or library function.
EMFILEThe per-process limit on the number of open file descriptors has been reached.
ENOTTYAn ioctl request was made on a file descriptor that does not support it.
ETXTBSYAn attempt was made to write to or modify a file that is currently being executed.
EFBIGThe file size exceeds the maximum allowed by the filesystem or the process resource limit.
ESPIPEA seek operation was attempted on a file descriptor that does not support seeking.
EROFSAn attempt was made to modify a file or directory on a filesystem that is mounted read-only.
EMLINKThe maximum number of hard links to a single file has been exceeded.
EPIPEA write was attempted on a pipe or socket for which the reading end has been closed.
EDOMA mathematical function received an argument outside its defined domain.
ERANGEThe result of a mathematical function or conversion is too large or too small to be represented.
ENAMETOOLONGA filename or pathname exceeds the maximum length allowed by the filesystem.
ENOLCKThe system has exhausted its pool of file locks.
ENOSYSThe requested system call or function is not implemented on this system.
ENOTEMPTYAn attempt was made to remove a directory that still contains entries.
ELOOPA pathname lookup encountered too many symbolic links during resolution.
ENOMSGNo message of the requested type is available in the message queue.
EIDRMThe IPC identifier (message queue, semaphore set, or shared memory segment) was removed.
ENOSTRA STREAMS-specific operation was attempted on a non-STREAMS file descriptor.
ENODATANo data is available from the STREAMS device or no named attribute was found.
ETIMEA STREAMS ioctl operation timed out or a real-time timer expired.
ENOSRThe system ran out of STREAMS resources needed to complete the operation.
ENOLINKA remote resource linked via a network filesystem is no longer accessible.
EPROTOA protocol error was detected at the transport or network layer.
EBADMSGA message received on a STREAMS device or messaging interface was malformed.
EOVERFLOWA value is too large to be stored in the target data type.
EILSEQAn invalid multibyte or wide character sequence was encountered during character conversion.
ENOBUFSThe system does not have enough network buffer space to complete the operation.
EAFNOSUPPORTThe specified address family is not supported by the protocol or socket implementation.
EPROTOTYPEThe protocol type is wrong for the socket being used.
ENOTSOCKA socket operation was attempted on a file descriptor that is not a socket.
ENOPROTOOPTThe requested protocol option is not available or not supported at the specified level.
EPROTONOSUPPORTThe specified protocol is not supported by this socket domain or is not implemented.
EOPNOTSUPPThe requested operation is not supported by the socket type or protocol.
EADDRINUSEThe specified network address and port combination is already bound by another socket.
EADDRNOTAVAILThe requested network address is not available on any local network interface.
ENETDOWNThe local network interface is down and cannot send or receive traffic.
ENETUNREACHNo route to the destination network exists in the routing table.
ENETRESETThe network connection was reset due to a network-level event.
ECONNABORTEDThe connection was aborted locally due to a software condition or timeout.
ECONNRESETThe remote host forcibly closed the connection by sending a TCP RST packet.
ECONNREFUSEDNo process is listening on the target address and port, so the connection was actively refused.
ENOTCONNA send or receive operation was attempted on a socket that is not connected.
ESHUTDOWNA send operation was attempted after the local end of the socket was shut down for writing.
ETOOMANYREFSToo many references to a kernel object prevent the operation from completing.
ETIMEDOUTA connection attempt or network operation failed because the remote host did not respond in time.
EDESTADDRREQA send operation on a datagram socket was attempted without specifying a destination address.
EMSGSIZEThe message is too large to be sent atomically through the socket or transport protocol.
ESTALEA file handle references a file that has been deleted or is no longer accessible on the NFS server.
EDQUOTThe user's disk quota for the filesystem has been exceeded.
EHOSTDOWNThe destination host is down and unreachable.
EHOSTUNREACHNo route to the destination host could be found, or an ICMP host unreachable message was received.
EUSERSThe system has reached the maximum number of concurrent users.
ESOCKTNOSUPPORTThe specified socket type is not supported within the given protocol family.
EPFNOSUPPORTThe specified protocol family is not supported or not configured in the system.
EISCONNA connect() call was made on an already-connected socket.
EREMOTEIOA remote I/O operation failed due to a communication or device error.
ENOMEDIUMNo removable medium is present in the drive or device.
EMEDIUMTYPEThe medium in the device is not the type expected by the operation.
EOWNERDEADThe previous owner of a robust mutex terminated while holding the lock.
SIGXCPU (24)The process exceeded its soft CPU time limit.
SIGXFSZ (25)The process attempted to create a file larger than allowed.
Exit 1The process exited with a general, unspecified error.
Exit 2A shell built-in was used incorrectly, or a command returned a usage error.
Exit 126The command was found but is not executable.
Exit 127The command was not found in any PATH directory.
Exit 128An invalid argument was passed to exit, or the process was killed by a signal (128+N).
Exit 255The exit status is out of the valid range (0-255), or SSH returned a fatal error.
08001The client could not establish a connection to the database server.
08003The specified database connection does not exist or has been closed.
08006An established database connection was unexpectedly lost.
22001A string value is too long for the target column.
22003A numeric value is outside the range of the target column's data type.
22007A date, time, or timestamp value is in an invalid format.
22008A datetime value is outside the valid range for the field.
22012A division by zero was attempted in a SQL expression.
22P02A value could not be converted to the required data type.
23502An INSERT or UPDATE attempted to set a NOT NULL column to NULL.
23503An INSERT or UPDATE violates a foreign key constraint.
23505An INSERT or UPDATE violates a unique constraint or primary key.
23514An INSERT or UPDATE violates a CHECK constraint on the table.
23P01An INSERT or UPDATE violates an exclusion constraint.
25001The command cannot be executed inside an active transaction.
25006An attempt was made to modify data in a read-only transaction.
25P02A command was issued in a transaction that has already failed.
28000The authentication credentials are invalid.
28P01The password provided for authentication is incorrect.
3D000The specified database does not exist.
3F000The specified schema does not exist in the database.
40001The transaction was rolled back due to a serialization conflict.
40P01Two or more transactions are waiting for each other's locks, creating a deadlock.
42000The SQL statement contains a syntax error or violates an access rule.
42501The current user does not have the required privilege.
42601The SQL statement contains a syntax error.
42602An identifier name in the SQL statement is invalid.
42701A column name appears more than once where it must be unique.
42702A column reference is ambiguous because it exists in multiple tables.
42703The specified column does not exist in the table or result set.
42704The specified database object (type, operator, function) does not exist.
42710An object with the specified name already exists.
42712A table alias is used more than once in the same query.
42804The data types in the expression are incompatible.
42830The foreign key definition is invalid due to type mismatch or missing unique constraint.
42883The function with the specified name and argument types does not exist.
42P01The specified table or view does not exist.
42P02A prepared statement parameter is referenced but not defined.
42P03A cursor with the specified name already exists.
42P04A database with the specified name already exists.
42P06A schema with the specified name already exists.
42P07A table with the specified name already exists in the schema.
42P10A column reference in GROUP BY, ORDER BY, or DISTINCT ON is invalid.
42P16The table definition is invalid.
42P18The data type of an expression could not be determined.
53300The maximum number of database connections has been reached.
54000A database implementation limit was exceeded.
54001The SQL statement is too complex for the database to process.
54011The number of columns exceeds the database limit.
54023Too many arguments were passed to a function.
55000The database object is not in the required state.
55006The database object is currently in use and cannot be modified.
55P03The requested lock could not be acquired without waiting.
57P01The database server is shutting down.
57P03The database server is not ready to accept connections.
P0001An application-defined exception was raised in PL/pgSQL.
P0002A SELECT INTO in PL/pgSQL returned no rows when exactly one was expected.
P0003A SELECT INTO in PL/pgSQL returned more than one row.
MySQL 1005MySQL cannot create the table due to a constraint or configuration error.
MySQL 1007The database cannot be created because it already exists.
MySQL 1044The user does not have access to the specified database.
MySQL 1045Authentication failed with the provided credentials.
MySQL 1049The specified database does not exist.
MySQL 1054The specified column does not exist in the table.
MySQL 1062An INSERT or UPDATE would create a duplicate value in a unique index.
MySQL 1064The SQL statement contains a syntax error.
MySQL 1146The referenced table does not exist in the database.
MySQL 1215MySQL cannot create the foreign key due to a definition mismatch.
MySQL 1217A foreign key constraint prevents deletion of a parent row.
MySQL 1264A numeric value exceeds the valid range for the column.
MySQL 1366The string contains characters invalid for the column's character set.
MySQL 1451A foreign key prevents modification of a referenced parent row.
MySQL 1452A foreign key prevents adding a child row because the parent does not exist.
MySQL 1213A deadlock was detected between concurrent transactions.
MySQL 1205A lock wait exceeded the configured timeout.
MySQL 2002MySQL client cannot connect through the local socket file.
MySQL 2003The client cannot establish a TCP connection to the server.
MySQL 2006The connection to the MySQL server was lost.
MySQL 2013The connection was lost during a query.
MySQL 1040The maximum number of MySQL connections has been exceeded.
MySQL 1114The table has reached its maximum size.
MySQL 1153The query or result exceeds max_allowed_packet.
MySQL 1227The operation requires a privilege the user does not have.
MySQL 1236The replication slave encountered an error reading the binary log.
SQLITE_BUSY (5)The database file is locked by another connection or process.
SQLITE_LOCKED (6)A table within the database is locked by the same connection.
SQLITE_READONLY (8)The database is opened in read-only mode or the filesystem is read-only.
SQLITE_FULL (13)The insert failed because the disk or database size limit was reached.
SQLITE_CANTOPEN (14)SQLite cannot open the database file.
SQLITE_TOOBIG (18)A string or BLOB value exceeds SQLite's maximum size.
SQLITE_CONSTRAINT (19)An INSERT, UPDATE, or DELETE violated a constraint.
SQLITE_MISMATCH (20)The data type does not match what was expected.
SQLITE_MISUSE (21)The SQLite API was used incorrectly.
SQLITE_RANGE (25)A parameter index passed to sqlite3_bind is out of range.
SQLITE_ERROR (1)A generic SQL error or missing database occurred.
SQLITE_PERM (3)The requested access mode for the database file is not allowed.
SQLITE_NOTFOUND (12)An internal routine returned not found. Not commonly seen in application code.
ERROR_FILE_NOT_FOUND (2)The system cannot find the specified file.
ERROR_PATH_NOT_FOUND (3)The system cannot find the specified path.
ERROR_ACCESS_DENIED (5)The system denied access to the requested resource.
ERROR_INVALID_HANDLE (6)The handle passed to the function is not valid.
ERROR_INVALID_DRIVE (15)The specified drive letter is not valid or does not exist.
ERROR_NOT_SAME_DEVICE (17)The system cannot move a file to a different disk drive.
ERROR_NOT_READY (21)The device is not ready for use.
ERROR_WRITE_FAULT (29)The system cannot write to the specified device.
ERROR_READ_FAULT (30)The system cannot read from the specified device.
ERROR_SHARING_VIOLATION (32)The file cannot be accessed because it is being used by another process.
ERROR_LOCK_VIOLATION (33)The file region is locked and cannot be accessed.
ERROR_HANDLE_DISK_FULL (39)The disk is full and the write operation failed.
ERROR_NOT_SUPPORTED (50)The requested operation is not supported by the system.
ERROR_BAD_NETPATH (53)The network path could not be found.
ERROR_DEV_NOT_EXIST (55)The specified network resource is not available.
ERROR_BAD_NET_RESP (58)The specified server cannot perform the requested operation.
ERROR_NETNAME_DELETED (64)The specified network name is no longer available.
ERROR_BAD_NET_NAME (67)The network name cannot be found.
ERROR_FILE_EXISTS (80)The file already exists and cannot be created.
ERROR_INVALID_PARAMETER (87)A parameter passed to the function is not valid.
ERROR_DISK_FULL (112)There is not enough space on the disk to complete the operation.
ERROR_SEM_TIMEOUT (121)A semaphore timeout period has expired.
ERROR_INSUFFICIENT_BUFFER (122)The data area passed to a system call is too small.
ERROR_INVALID_NAME (123)The filename, directory name, or volume label syntax is incorrect.
ERROR_DIR_NOT_EMPTY (145)The directory cannot be removed because it is not empty.
ERROR_BUSY (170)The requested resource is in use.
ERROR_ALREADY_EXISTS (183)The file or directory already exists when attempting to create it.
ERROR_FILENAME_EXCED_RANGE (206)The filename or extension is too long.
ERROR_PIPE_BUSY (231)All pipe instances are busy.
ERROR_DIRECTORY (267)The directory name is invalid.
ERROR_SERVICE_REQUEST_TIMEOUT (1053)The service did not respond to the start or control request in a timely fashion.
ERROR_SERVICE_DISABLED (1058)The service cannot be started because it is disabled.
ERROR_PROCESS_ABORTED (1067)The process terminated unexpectedly.
ERROR_SERVICE_DEPENDENCY_FAIL (1068)A dependent service or group failed to start.
ERROR_SERVICE_DEPENDENCY_DELETED (1075)A dependency service that should exist has been removed.
ERROR_NOT_FOUND (1168)The requested element was not found.
ERROR_SESSION_CREDENTIAL_CONFLICT (1219)Multiple connections to a server using different credentials are not allowed.
ERROR_LOGON_FAILURE (1326)The user name or password is incorrect.
ERROR_NONE_MAPPED (1332)The specified account name cannot be mapped to a security ID.
RPC_S_SERVER_UNAVAILABLE (1722)The RPC server is unavailable.
RPC_S_CALL_FAILED (1726)The remote procedure call failed.
E_NOTIMPL (0x80004001)The requested method or operation is not implemented.
E_NOINTERFACE (0x80004002)The requested COM interface is not supported by the object.
E_FAIL (0x80004005)An unspecified COM error occurred.
E_ACCESSDENIED (0x80070005)Access to the COM object or resource was denied.
E_INVALIDARG (0x80070057)One or more arguments passed to the method are not valid.
RPC_S_SERVER_UNAVAILABLE (0x800706BA)The RPC server is unavailable (HRESULT version).
ERROR_DISK_FULL (0x80070070)The disk does not have enough free space.
ERROR_BAD_PATHNAME (0x800700A1)The specified path name is invalid.
CBS_E_SOURCE_MISSING (0x800F081F)Windows could not find the source files needed for the operation.
ERROR_SXS_COMPONENT_STORE_CORRUPT (0x80073712)The Windows component store is corrupted.
WU_E_UH_INVALIDMETADATA (0x80242006)The update handler received invalid metadata.
WU_E_PT_HTTP_STATUS_NOT_FOUND (0x80244019)The Windows Update server returned a 404 error.
WU_E_PT_WINHTTP_NAME_NOT_RESOLVED (0x8024402C)The Windows Update server name could not be resolved.
ERROR_SERVICE_NOT_ACTIVE (0x80070422)The Windows Update service is not running.
CO_E_SERVER_EXEC_FAILURE (0x80080005)The COM server failed to execute.
CERT_E_UNTRUSTEDROOT (0x800B0109)The certificate chain terminates in an untrusted root certificate.
WU_E_INSTALL_NOT_ALLOWED (0x80240016)The update installation is not allowed at this time.
System.NullReferenceExceptionAn attempt was made to use an object reference that is null.
System.IO.FileNotFoundExceptionThe specified file was not found.
System.UnauthorizedAccessExceptionAccess to the resource is denied due to insufficient permissions.
System.ArgumentExceptionAn argument passed to a method is invalid.
System.ArgumentNullExceptionA null argument was passed to a method that does not accept null.
System.ArgumentOutOfRangeExceptionAn argument is outside the allowable range of values.
System.InvalidOperationExceptionThe object is not in a valid state for the requested operation.
System.TimeoutExceptionThe operation did not complete within the allotted time.
System.FormatExceptionThe format of an argument does not match the expected pattern.
System.IndexOutOfRangeExceptionAn index was outside the bounds of an array or collection.
System.InvalidCastExceptionA value cannot be cast to the requested type.
System.ObjectDisposedExceptionAn operation was attempted on a disposed object.
System.DllNotFoundExceptionThe specified DLL could not be found for P/Invoke.
System.BadImageFormatExceptionThe assembly or DLL has an invalid format.
System.TypeLoadExceptionA type could not be loaded from an assembly.
CommandNotFoundExceptionThe specified PowerShell command or cmdlet was not found.
ParameterBindingExceptionA parameter specified in the command does not exist.
PSSecurityExceptionThe PowerShell execution policy prevents running scripts.
ItemNotFoundExceptionThe specified item (file, registry key, etc.) was not found.
ERROR_SERVICE_DOES_NOT_EXIST (1060)The specified service is not installed.
ERROR_SERVICE_LOGON_FAILED (1069)The service could not start because of a logon failure.
ERROR_VIRUS_INFECTED (1152)The file is infected with a virus and cannot be accessed.
ERROR_ELEVATION_REQUIRED (740)The operation requires elevation (Administrator privileges).
ERROR_INVALID_IMAGE_HASH (1392)The file's hash does not match the expected value.
ERROR_BAD_EXE_FORMAT (193)The file is not a valid Win32 application.
ERROR_EXE_MARKED_INVALID (216)The executable has been marked as invalid by the system.
ERROR_DLL_INIT_FAILED (1114)A DLL initialization routine failed.
ERROR_MOD_NOT_FOUND (126)The specified module (DLL) could not be found.
ERROR_PROC_NOT_FOUND (127)The specified procedure could not be found in the DLL.
0x80070005 DCOM Access DeniedDCOM denied access to the component.
ERROR_INSTALL_FAILURE (1603)The Windows Installer encountered a fatal error during installation.
ERROR_INSTALL_ALREADY_RUNNING (1618)Another installation is already in progress.
400 Bad RequestNginx rejected the client request due to a malformed HTTP request.
403 ForbiddenNginx denied access to the requested resource.
404 Not FoundThe requested resource was not found on the server.
413 Request Entity Too LargeThe request body exceeds the maximum size allowed by Nginx.
414 URI Too LongThe request URI exceeds the maximum length Nginx will process.
494 Request Header Too LargeThe request headers exceed Nginx's maximum header buffer size.
495 SSL Certificate ErrorThe client SSL certificate presented an error.
496 SSL Certificate RequiredA client certificate is required but was not provided.
500 Internal Server ErrorAn unexpected error occurred within Nginx or the upstream application.
502 Bad GatewayNginx received an invalid response from the upstream server.
503 Service UnavailableThe server is temporarily unable to handle the request.
504 Gateway TimeoutNginx timed out waiting for a response from the upstream server.
upstream timed outNginx timed out while waiting for the upstream server to respond.
connect() failed (111: Connection refused)Nginx could not connect to the upstream server.
worker_connections are not enoughThe Nginx worker process has reached its maximum number of connections.
SSL_do_handshake() failedThe SSL/TLS handshake with a client or upstream server failed.
open() failed (13: Permission denied)Nginx cannot read the file due to filesystem permissions.
open() failed (2: No such file or directory)Nginx cannot find the requested file.
rewrite or internal redirection cycleNginx detected an infinite redirect or rewrite loop.
no resolver defined to resolveNginx needs to resolve a hostname but no DNS resolver is configured.
too many open filesNginx has reached the maximum number of open file descriptors.
upstream prematurely closed connectionThe upstream server closed the connection before sending a complete response.
recv() failed (104: Connection reset by peer)The client reset the connection during data transfer.
could not build server_names_hashNginx cannot build the server names hash table.
invalid PID numberThe Nginx PID file contains an invalid process ID.
host not found in upstreamNginx could not resolve the hostname specified in the upstream block.
no live upstreams while connecting to upstreamAll upstream servers in the pool are marked as unavailable.
client body temp file write errorNginx cannot write the client request body to a temporary file.
upstream sent too big header while reading response header from upstreamThe upstream server sent response headers larger than Nginx's buffer.
AccessDeniedExceptionThe request was denied due to insufficient IAM permissions.
ResourceNotFoundExceptionThe specified AWS resource does not exist.
ValidationExceptionThe request parameters failed validation.
ServiceUnavailableExceptionThe AWS service is temporarily unavailable.
InternalServiceErrorAn internal error occurred in the AWS service.
NoSuchBucketThe specified S3 bucket does not exist.
NoSuchKeyThe specified object key does not exist in the S3 bucket.
InvalidBucketNameThe S3 bucket name is not valid.
S3 AccessDeniedAccess to the S3 bucket or object was denied.
BucketAlreadyExistsAn S3 bucket with the specified name already exists (globally).
Lambda Task timed outThe Lambda function exceeded its configured timeout.
Lambda Runtime.OutOfMemoryThe Lambda function ran out of memory.
Lambda Runtime.HandlerNotFoundLambda cannot find the specified handler function.
Lambda Runtime.ImportModuleErrorLambda cannot import the function's module.
InstanceLimitExceededThe EC2 instance limit for this account and region has been reached.
InsufficientInstanceCapacityAWS does not have enough capacity for the requested instance type.
EC2 UnauthorizedOperationThe IAM entity is not authorized to perform the EC2 operation.
InvalidAMIID.NotFoundThe specified AMI ID does not exist.
InvalidKeyPair.NotFoundThe specified key pair does not exist.
RDS too many connectionsThe maximum number of database connections has been reached.
ProvisionedThroughputExceededExceptionThe request rate exceeds the provisioned throughput for the DynamoDB table.
ConditionalCheckFailedExceptionA conditional write failed because the condition was not met.
DynamoDB ResourceNotFoundExceptionThe specified DynamoDB table does not exist.
AWS.SimpleQueueService.NonExistentQueueThe specified SQS queue does not exist.
SNS NotFoundExceptionThe specified SNS topic or subscription does not exist.
EntityAlreadyExistsAn IAM entity with the specified name already exists.
MalformedPolicyDocumentThe IAM policy document is syntactically invalid.
CloudFormation ROLLBACK_COMPLETEThe CloudFormation stack creation failed and rolled back.
ECS STOPPED (Essential container exited)An ECS task stopped because an essential container exited.
ECS CannotPullContainerErrorECS could not pull the container image.
HostedZoneAlreadyExistsA Route 53 hosted zone with the same name already exists.
ELB Target Health: unhealthyA target in the load balancer target group is unhealthy.
NotAuthorizedExceptionThe Cognito operation is not authorized.
UserNotFoundExceptionThe specified user does not exist in the Cognito user pool.
KMS AccessDeniedExceptionAccess to the KMS key was denied.
SecretsManager ResourceNotFoundExceptionThe specified secret does not exist in Secrets Manager.
CloudWatch LimitExceededExceptionA CloudWatch service limit was exceeded.
GCP PERMISSION_DENIED (403)The caller does not have the required permission.
GCP NOT_FOUND (404)The requested resource was not found.
GCP ALREADY_EXISTS (409)The resource already exists.
GCP RESOURCE_EXHAUSTED (429)A resource quota or rate limit has been exceeded.
GCP UNAUTHENTICATED (401)The request does not have valid authentication credentials.
GCP FAILED_PRECONDITION (400)The operation was rejected because the system is not in the required state.
GCP UNAVAILABLE (503)The GCP service is temporarily unavailable.
GCP DEADLINE_EXCEEDED (504)The operation did not complete within the deadline.
GCP INVALID_ARGUMENT (400)The request contains an invalid argument.
GCP UNIMPLEMENTED (501)The operation is not implemented or supported.
GCP INTERNAL (500)An internal error occurred in the GCP service.
GCP ABORTED (409)The operation was aborted due to a concurrency conflict.
GCP OUT_OF_RANGE (400)The operation was attempted past the valid range.
GCP Quota exceededA GCP service quota has been exceeded.
Azure AuthorizationFailedThe client does not have authorization to perform the action.
Azure ResourceNotFoundThe specified resource was not found.
Azure QuotaExceededAn Azure subscription quota has been exceeded.
Azure OperationNotAllowedThe operation conflicts with the current state of the resource.
Azure ResourceGroupNotFoundThe specified resource group does not exist.
Azure InvalidTemplateThe ARM template is invalid.
Azure DeploymentFailedThe Azure Resource Manager deployment failed.
Azure SkuNotAvailableThe requested VM size or service tier is not offered in the target Azure region/zone.
Azure RequestDisallowedByPolicyThe request was denied by an Azure Policy.
Azure StorageAccountNotFoundThe specified storage account does not exist.
Azure ParentResourceNotFoundThe parent resource for a nested resource was not found.
Azure SubscriptionNotFoundThe specified Azure subscription was not found.
Azure LinkedAuthorizationFailedAuthorization failed for a linked resource operation.
Azure No such host is knownThe Azure endpoint hostname could not be resolved.
Azure ContainerCreationFailedThe Azure container instance failed to create.
ExpiredToken / TokenExpiredThe authentication token or credentials have expired.
Region not enabled / RegionDisabledExceptionThe requested cloud region is not enabled for the account.
InvalidClientTokenId / Invalid CredentialsThe provided credentials are not valid.
MissingRegion / No region specifiedNo cloud region was specified in the request or configuration.
UnsupportedApiVersionThe requested API version is not supported.
0A000The requested SQL feature is not supported by this database.
22004A NULL value was encountered where it is not permitted.
22023A parameter value is invalid for the operation.
22026The string length does not match the expected fixed length.
23001A restrict rule prevented the deletion or update of a referenced row.
24000A cursor operation was attempted in an invalid state.
26000The prepared statement name does not exist.
2B000Privileges cannot be revoked because dependent privileges exist.
2D000A transaction termination command was invalid in the current context.
34000The specified cursor name does not exist or is invalid.
38000An exception occurred in an external function or procedure.
39000An external function was invoked incorrectly.
42809The named object is not the expected type for the operation.
42846The value cannot be automatically converted to the required type.
42P20The window function specification is invalid.
42611A column definition in CREATE TABLE or ALTER TABLE is invalid.
MySQL 1048An INSERT or UPDATE tried to set a NOT NULL column to NULL.
MySQL 1060A column name appears more than once in the table definition.
MySQL 1071The index key length exceeds the storage engine maximum.
MySQL 1091The column or key to drop does not exist.
MySQL 1118The row size exceeds the storage engine maximum.
MySQL 1136The INSERT column count does not match the values count.
MySQL 1142The user lacks the required table-level privilege.
MySQL 1149The SQL statement contains a syntax error (legacy format).
MySQL 1292A value was truncated or is invalid during type conversion.
MySQL 1364A NOT NULL field was not given a value and has no default.
MySQL 1406The data value exceeds the column's maximum length.
MySQL 2014MySQL client commands are being issued out of order.
MySQL 1169A write to a unique index with IGNORE was skipped.
MySQL 1461The maximum number of prepared statements has been reached.
SQLITE_AUTH (23)The authorizer callback denied the operation.
SQLITE_FORMAT (24)This error code is reserved and not currently used by SQLite.
SQLITE_NOLFS (22)The platform does not support large files required by the database.
SQLITE_PROTOCOL (15)A database locking protocol error occurred.
ERROR_INVALID_FUNCTION (1)The function called is not valid for this system call.
ERROR_TOO_MANY_OPEN_FILES (4)The system has too many open files.
ERROR_BAD_FORMAT (11)The program format is incorrect or incompatible.
ERROR_WRITE_PROTECT (19)The media is write-protected.
ERROR_CRC (23)A data error (cyclic redundancy check) was detected.
ERROR_SHARING_BUFFER_EXCEEDED (36)Too many files are opened for sharing.
ERROR_REM_NOT_LIST (51)The remote computer is not available.
ERROR_DUP_NAME (52)A duplicate name exists on the network.
ERROR_NETWORK_BUSY (54)The network is busy.
ERROR_NET_WRITE_FAULT (56)A network write operation failed.
ERROR_NETWORK_ACCESS_DENIED (65)Network access is denied.
ERROR_NO_MORE_CONNECTIONS (71)No more connections can be made to the remote computer.
ERROR_ALREADY_ASSIGNED (85)The local device name is already in use.
ERROR_INVALID_PASSWORD (86)The specified network password is incorrect.
ERROR_DRIVE_LOCKED (108)The disk is in use or locked by another process.
ERROR_OPEN_FAILED (110)The system cannot open the device or file.
ERROR_BUFFER_OVERFLOW (111)The file name is too long.
ERROR_NEGATIVE_SEEK (131)An attempt was made to move the file pointer before the beginning of the file.
ERROR_SEEK_ON_DEVICE (132)A seek operation was attempted on a non-seekable device.
ERROR_TOO_MANY_SEMAPHORES (148)The maximum number of semaphores has been reached.
ERROR_MAX_THRDS_REACHED (164)The maximum number of threads has been reached.
ERROR_INVALID_FLAG_NUMBER (186)The flag passed to the system call is invalid.
ERROR_ENVVAR_NOT_FOUND (203)The specified environment variable was not found.
ERROR_NOT_DOS_DISK (208)The disk is not formatted as a DOS/Windows disk.
ERROR_NOT_OWNER (288)The caller is not the owner of the mutex.
ERROR_TOO_MANY_POSTS (298)Too many posts were made to a semaphore.
ERROR_ARITHMETIC_OVERFLOW (534)An arithmetic overflow occurred during the operation.
ERROR_FILE_SYSTEM_LIMITATION (665)The requested operation could not be completed due to a file system limitation.
ERROR_SERVICE_NOT_ACTIVE (1062)The service has not been started.
ERROR_BAD_DEVICE (1200)The specified device name is invalid.
ERROR_NO_NET_OR_BAD_PATH (1203)The network path was not found or the network is unavailable.
ERROR_LOGON_NOT_GRANTED (1396)The user has not been granted the requested logon type.
WSAETIMEDOUT (10060)The connection timed out without a response.
WSAECONNREFUSED (10061)The connection was actively refused by the remote host.
WSAEADDRINUSE (10048)The socket address (IP+port) is already in use.
WSAECONNRESET (10054)The connection was reset by the remote host.
WSAECONNABORTED (10053)The connection was aborted by the local software.
WSAEADDRNOTAVAIL (10049)The requested address is not valid in its context.
WSAEACCES (10013)Access to the socket was denied.
WSAEMFILE (10024)Too many open sockets.
WSAENOBUFS (10055)The system lacks sufficient buffer space for the socket operation.
WSAEHOSTUNREACH (10065)No route to the remote host could be found.
WSAENETDOWN (10050)The local network subsystem is down.
WSAENETUNREACH (10051)The network is unreachable.
ExpiredTokenExceptionThe security token has expired.
IncompleteSignatureAWS rejected an API request because the SigV4 signature is missing required components or fails parsing.
OptInRequiredThe account needs to opt in to the service or region.
NoSuchUploadThe specified multipart upload does not exist.
S3 RequestTimeoutThe S3 connection timed out.
InvalidVpcID.NotFoundThe specified VPC ID does not exist.
InvalidSubnetID.NotFoundThe specified subnet ID does not exist.
InvalidGroup.NotFoundThe specified security group does not exist.
Lambda InvalidRuntimeExceptionThe specified Lambda runtime is not valid.
Lambda CodeStorageExceededExceptionThe Lambda code storage limit has been exceeded.
Azure ProvisioningFailedThe resource provisioning failed.
Azure Conflict (409)The request conflicts with the current state of the resource.
Azure BadRequest (400)The request is malformed or contains invalid parameters.
Azure NotFound (404)The requested resource or endpoint was not found.
Azure InternalServerError (500)An internal error occurred in the Azure service.
DNS resolution failedDNS resolution failed for the cloud service endpoint.
TLS certificate has expiredThe TLS certificate presented by the server has expired.
CORS policy violationThe browser blocked the request due to a CORS policy violation.
MySQL 1025An error occurred while renaming a table or dropping a foreign key.
MySQL 1065An empty query was sent to the MySQL server.
UnauthorizedAccessThe request was denied due to unauthorized access.
WSAENOTCONN (10057)A send or receive was attempted on a socket that is not connected.
WSAENOTSOCK (10038)An operation was attempted on something that is not a socket.
WSAEMSGSIZE (10040)The message is larger than the maximum supported by the protocol.
WSAENETRESET (10052)The connection was dropped due to a network reset.
WSAESHUTDOWN (10058)The socket has been shut down.
WSAEHOSTDOWN (10064)The remote host is down.
WSAEISCONN (10056)The socket is already connected.
WSAEFAULT (10014)A bad pointer address was detected.
WSAEINVAL (10022)An invalid argument was supplied.
WSAEAFNOSUPPORT (10047)The address family is not supported.
WSANOTINITIALISED (10093)The Winsock library has not been initialized.
WSAHOST_NOT_FOUND (11001)The host name could not be resolved via DNS.
WSANO_DATA (11004)The requested name is valid but has no data record of the requested type.
ERROR_NOT_ENOUGH_QUOTA (1816)The system does not have enough quota to complete the requested service.
ERROR_INVALID_USER_BUFFER (1784)The user buffer is not valid for the requested operation.
ERROR_NOACCESS (998)Invalid access to a memory location.
ERROR_INTERNAL_ERROR (1359)An internal error occurred.
ERROR_TIMEOUT (1460)The wait operation timed out.
NERR_BadUsername (2202)The user name could not be found.
ERROR_BAD_TOKEN_TYPE (1349)The token type is not appropriate for its attempted use.
ERROR_PRIVILEGE_NOT_HELD (1314)The required privilege is not held by the client.
ERROR_MAPPED_ALIGNMENT (1309)The base address or file offset is not properly aligned.
ERROR_NO_UNICODE_TRANSLATION (1113)No mapping for the Unicode character exists in the target code page.
TS2304TypeScript cannot find a variable, function, or type with the specified name in the current scope.
TS2345The argument passed to a function is not compatible with the expected parameter type.
TS2339TypeScript cannot find the specified property on the given type.
TS2307TypeScript cannot find the module specified in an import or require statement.
TS2322A value of one type cannot be assigned to a variable or property of a different, incompatible type.
TS2531TypeScript warns that an expression could be null at runtime, and you are using it without checking.
TS2554The number of arguments passed to a function does not match the number of required parameters.
TS2769None of the function overload signatures match the provided arguments.
TS7006A function parameter has no type annotation and TypeScript cannot infer its type.
TS1005TypeScript expected a specific token (like a semicolon, comma, or bracket) but found something else.
TS2365An arithmetic or comparison operator is used with incompatible types.
TS2305The specified export does not exist in the referenced module.
TS2740An object type is missing required properties that are expected by the target type.
TS18048TypeScript warns that a value could be undefined and you are using it without checking.
TS2532TypeScript warns that an object expression could be undefined at runtime.
TS2741A required property is missing from the object being assigned.
TS2551TypeScript cannot find the property but suggests a similar name that might be what you intended.
TS1002A string literal is missing its closing quote.
TS1003TypeScript expected an identifier (variable name, function name, etc.) but found something else.
TS1109TypeScript expected an expression but found a token that cannot start an expression.
TS1128TypeScript expected a declaration or statement but found an unexpected token.
TS2306The file referenced in an import statement is not recognized as a module.
TS2314A generic type was used with the wrong number of type arguments.
TS2344A type argument does not meet the constraint specified by the generic type parameter.
TS2349The expression being called is not a function or callable type.
TS2353An object literal contains a property that does not exist on the target type.
TS2355A function with a declared return type does not return a value in all code paths.
TS2366A function with a non-void return type does not have a return statement at the end.
TS2367A comparison between two values will always be false because their types have no overlap.
TS2393A function with the same name is implemented more than once.
TS2394A function overload signature is not compatible with the implementation signature.
TS2416A property in a derived class is not compatible with the same property in the base class.
TS2420A class declares that it implements an interface but does not provide all required members.
TS2451A variable declared with let or const is being redeclared in the same scope.
TS2454A variable is used before it has been assigned a value.
TS2488The type being iterated does not have a Symbol.iterator method.
TS2493You are accessing a tuple element at an index that does not exist.
TS2503TypeScript cannot find a namespace with the specified name.
TS2515A non-abstract class that extends an abstract class does not implement all abstract members.
TS2540You are trying to modify a property that is marked as readonly.
TS2555The function call has fewer arguments than the minimum required.
TS2556The function was called with more arguments than it accepts.
TS2558A generic type or function is used without providing required type arguments.
TS2565A class property with a definite assignment assertion (!) is never read.
TS2564A class property is not initialized in the constructor and has no default value.
TS2571You are trying to use a value of type unknown without first narrowing its type.
TS2578A @ts-expect-error directive is present but no error occurs on the next line.
TS2588You are trying to reassign a variable declared with const.
TS2612A property in a derived class conflicts with a getter/setter accessor in the base class.
TS2683The this keyword has an implicit any type because there is no contextual type.
TS2684The this context of a function does not match the expected this type.
TS2694The specified member does not exist in the given namespace.
TS2696A TypeScript-only feature is being used in a JavaScript file.
TS2705An async function requires a higher ECMAScript target to compile.
TS2792TypeScript cannot resolve a module subpath because the package's exports field does not allow it.
TS2300The same identifier is declared more than once in the same scope.
TS7030A function with a return type does not return a value in all possible code paths.
TS7031A destructured binding element has an implicit any type.
TS7005A variable has an implicit any type because TypeScript cannot infer its type.
TS7041The default export expression does not have a type annotation.
TS18046A value of type unknown is used in a position that requires a more specific type.
TS2497A CommonJS module is being imported with named import syntax but only has a default export.
TS1259A CommonJS module requires esModuleInterop or allowSyntheticDefaultImports to be imported with default import syntax.
TS1375The await keyword is used inside a function that is not marked as async.
TS1378Top-level await can only be used when the module option is set to a supported module system.
TS2430An interface declares that it extends another interface but has incompatible properties.
TS2461A destructuring pattern expects an array type but the value is not an array.
TS2347Type arguments were provided to a function that is not generic.
TS2395Merged declarations for the same name have inconsistent export modifiers.
TS2790The delete operator requires the operand to be an optional property.
TS2739An object type is missing multiple required properties from the target type.
TS1046An await expression or other top-level construct requires the file to be a module.
TS1056Getter/setter accessors require a higher ECMAScript target version.
TS1064The Promise constructor must be called with the new keyword.
TS1068An unexpected token was found inside a declaration file or declare block.
TS1149An import declaration conflicts with the ambient context of the file.
TS1192The module you are importing does not have a default export.
TS1202The import = require() syntax cannot be used in an ES module.
TS2328Two construct signatures (new() calls) have incompatible types.
TS2352A type assertion between two types that have no overlap might be an error.
TS2448A variable declared with let or const is referenced before its declaration in the same block.
TS2459A destructured import references a member that is not exported from the module.
TS2464A computed property name in a type literal must be a simple expression.
TS2507The expression used with new is not a constructor type.
TS2538The type of the index expression is not valid for indexing the object.
TS2559The source type has no properties in common with the target type.
TS2589A recursive type reaches TypeScript's maximum instantiation depth.
TS2590The resulting type expression creates a union with too many members for TypeScript to represent.
TS2610A derived class defines a property where the base class has an accessor.
TS2786A component's return type is not compatible with JSX element types.
TS17004JSX fragments ('<'>...'<'/>) require a jsxFragmentFactory or React.Fragment to be available.
TS5097Two incompatible compiler options are set simultaneously in tsconfig.
TS5023An unrecognized option was found in tsconfig.json.
TS5075A compiler option requires a specific moduleResolution setting to be used.
TS1131TypeScript expected a property declaration or method signature but found something else.
TS1219Decorators require the experimentalDecorators compiler option to be enabled.
TS1270A decorator is placed before the export keyword, which is not allowed.
TS2775A type assertion function requires all parameter types to be explicitly annotated.
TS4111A property is accessed using a string index on a type that uses noPropertyAccessFromIndexSignature.
TS4058The return type of a function cannot be named without importing a type from another module.
TS4055The return type of an exported function references a private or non-exported type.
TS2698The spread operator (...) is used on a value that may not be an object type.
TS2362The left operand of an arithmetic expression must be a number or bigint type.
TS2363The right operand of an arithmetic expression must be a number or bigint type.
E0308The expected type does not match the actual type provided.
E0382A value is used after it has been moved to another variable or function.
E0502A value cannot be mutably borrowed while an immutable borrow is still active.
E0597A reference outlives the data it points to.
E0277A type does not implement a required trait.
E0599The method does not exist on the given type, or the required trait is not in scope.
E0425An identifier is used but not defined in the current scope.
E0433The module path used in a use statement or type path cannot be resolved.
E0106A reference in a function signature or struct is missing a lifetime parameter.
E0015A non-const function is called in a constant expression context.
E0658A feature that is not yet stabilized in Rust is being used without the feature gate.
E0609The struct or union does not have a field with the given name.
E0614The dereference operator (*) is used on a type that does not implement Deref.
E0499A value is borrowed mutably more than once at the same time.
E0503A value cannot be used while it is mutably borrowed by another variable.
E0505A value is moved while it is still borrowed by a reference.
E0507You are trying to move a value out of a reference, which would leave the reference dangling.
E0515A function tries to return a reference to a value that is created inside the function.
E0432The module or item referenced in a use statement cannot be found.
E0412A type name is used but not defined or imported in the current scope.
E0423A type name is used where a value was expected.
E0424The self keyword is used outside of a method or associated function context.
E0369A binary operator is used with types that do not support it.
E0384A variable is being reassigned but was not declared as mutable.
E0061A function was called with the wrong number of arguments.
E0063A struct is being constructed without all required fields.
E0107A generic type or function is used with the wrong number of type parameters.
E0117You are implementing a foreign trait for a foreign type, violating the orphan rule.
E0119Two or more implementations of the same trait exist for the same type.
E0133An unsafe function or operation is used outside of an unsafe block.
E0152A language item (#[lang = ...]) is defined more than once.
E0200An unsafe trait must be implemented with an unsafe impl block.
E0252Two imports bring the same name into scope.
E0255A local definition conflicts with an imported name.
E0271An associated type in a trait implementation does not match the expected type.
E0282Rust cannot infer the type of a value and needs an explicit annotation.
E0283Multiple trait implementations could apply, and Rust cannot determine which one to use.
E0310A generic type parameter does not satisfy a required lifetime bound.
E0317An if expression used as a value is missing an else branch.
E0373A closure captures a reference to a variable that may not live long enough.
E0392A generic type or lifetime parameter is declared but not used in the struct or enum.
E0404A type was used where a trait was expected.
E0405A trait name is used but not defined or imported in the current scope.
E0428An item with the same name is defined more than once in the same scope.
E0463The specified crate cannot be found by the compiler.
E0520Trait implementation specialization requires a nightly compiler feature.
E0596You are trying to mutably borrow a value that is not declared as mutable.
E0600A unary operator is applied to a type that does not support it.
E0601The binary crate does not have a main function entry point.
E0603You are trying to access a private item from outside its module.
E0621A function parameter needs an explicit lifetime annotation to satisfy the borrow checker.
E0308Different match arms return incompatible types.
E0716A reference is held to a temporary value that is immediately dropped.
E0728The .await keyword is used in a function that is not declared async.
NullPointerExceptionA null reference is used where an object is required.
ArrayIndexOutOfBoundsExceptionAn array is accessed with an index that is negative or greater than or equal to the array length.
ClassCastExceptionAn object is cast to a type that it is not an instance of.
IllegalArgumentExceptionA method receives an argument that is not valid for its expected range or format.
IOExceptionAn I/O operation fails or is interrupted.
FileNotFoundExceptionThe specified file path does not exist or cannot be opened.
ConcurrentModificationExceptionA collection is modified while being iterated over.
ClassNotFoundExceptionA class cannot be found on the classpath at runtime.
NoSuchMethodExceptionA method with the specified name and parameter types cannot be found via reflection.
UnsupportedOperationExceptionAn operation is not supported by the implementation.
IllegalStateExceptionA method is called at an inappropriate time or the object is in an invalid state.
NumberFormatExceptionA string cannot be parsed as a number.
SecurityExceptionAn operation is denied by the security manager.
ArithmeticExceptionAn arithmetic operation produces an undefined result, such as division by zero.
StringIndexOutOfBoundsExceptionA string is accessed with an index that is outside its valid range.
IndexOutOfBoundsExceptionA collection is accessed with an index that is outside its valid range.
NegativeArraySizeExceptionAn array is created with a negative size.
ArrayStoreExceptionAn object of the wrong type is stored in an array.
InterruptedExceptionA thread is interrupted while it is waiting, sleeping, or blocked.
CloneNotSupportedExceptionThe clone() method is called on an object whose class does not implement Cloneable.
IllegalAccessExceptionCode attempts to access a class, field, or method that it does not have permission to access.
InstantiationExceptionAn attempt to create an instance of an abstract class or interface using reflection.
NoSuchFieldErrorA field is referenced at runtime but does not exist in the class.
IllegalThreadStateExceptionA thread operation is performed when the thread is not in an appropriate state.
IllegalMonitorStateExceptionA thread attempts a monitor operation (wait, notify) without owning the object's monitor.
InputMismatchExceptionA Scanner token does not match the expected type.
NoSuchElementExceptionAn attempt to retrieve an element from an empty collection or exhausted iterator.
EmptyStackExceptionAn operation is attempted on an empty Stack.
SocketExceptionA socket operation fails, such as creating or accessing a socket.
SocketTimeoutExceptionA socket read or connection operation times out.
ConnectExceptionA connection to a remote host cannot be established.
UnknownHostExceptionThe hostname cannot be resolved to an IP address.
MalformedURLExceptionA URL string is not in a valid format.
EOFExceptionEnd of file or stream is reached unexpectedly.
ClosedChannelExceptionAn operation is attempted on a channel that has been closed.
SQLExceptionA database access error occurs during SQL operations.
AccessControlExceptionA security check fails for a specific permission.
InvocationTargetExceptionA method invoked via reflection throws an exception.
ClassPath ErrorThe classpath is misconfigured, preventing classes from being loaded.
UnsupportedEncodingExceptionA character encoding is not supported by the JVM.
DateTimeParseExceptionA date/time string cannot be parsed according to the expected format.
PatternSyntaxExceptionA regular expression has invalid syntax.
Unexpected tokenThe CSS parser encountered an unexpected character or token.
Missing semicolonA semicolon is missing at the end of a CSS declaration.
Invalid selectorThe CSS selector syntax is not valid.
Invalid calc() expressionThe calc() function has a syntax error.
Circular CSS variableTwo or more CSS custom properties reference each other, creating a circular dependency.
Missing closing braceA CSS rule block is missing its closing brace.
Invalid clamp() syntaxThe clamp() function has incorrect syntax or parameters.
CSS Paint API errorA CSS Paint Worklet failed to render or register.
NXDOMAINThe DNS server reports that the domain name does not exist.
SERVFAILThe DNS server encountered an internal error while processing the query.
REFUSEDThe DNS server refused to answer the query.
DNS_TIMEOUTThe DNS query timed out without receiving a response.
ERR_CERT_AUTHORITY_INVALIDThe SSL/TLS certificate is issued by a certificate authority that is not trusted.
ERR_CERT_DATE_INVALIDThe SSL/TLS certificate has expired or is not yet valid.
SSL_ERROR_HANDSHAKE_FAILUREThe SSL/TLS handshake between client and server failed.
certificate_unknownThe server's certificate could not be verified for an unknown reason.
ECONNREFUSEDThe server actively refused the connection attempt.
ECONNRESETThe remote server unexpectedly closed the connection.
ETIMEDOUTThe connection attempt timed out before a response was received.
ENETUNREACHThe network hosting the destination cannot be reached.
EHOSTUNREACHThe specific host cannot be reached on the network.
ERR_NAME_NOT_RESOLVEDThe hostname could not be resolved to an IP address in the browser.
ERR_CONNECTION_REFUSEDThe browser's connection attempt was actively refused by the server.
ERR_CONNECTION_TIMED_OUTThe browser's connection attempt timed out waiting for a server response.
ERR_SSL_PROTOCOL_ERRORAn error occurred during the SSL/TLS protocol exchange.
CORS: Missing Access-Control-Allow-OriginThe server's response does not include the required Access-Control-Allow-Origin header.
CORS: Preflight request failedThe CORS preflight OPTIONS request was rejected by the server.
CORS: Method not allowedThe HTTP method is not included in the Access-Control-Allow-Methods header.
CORS: Header not allowedA request header is not included in the Access-Control-Allow-Headers response.
Mixed Content BlockedAn HTTPS page is loading resources over insecure HTTP.
Content Security Policy violationA resource or action was blocked by the Content-Security-Policy header.
EPIPEWriting to a connection that the other end has already closed.
EADDRINUSEThe network address (IP + port) is already being used by another process.
EADDRNOTAVAILThe requested address is not available on this machine.
ENOTFOUNDThe DNS lookup for the hostname failed in Node.js.
ERR_CERT_COMMON_NAME_INVALIDThe SSL certificate's subject name does not match the requested hostname.
ERR_CERT_REVOKEDThe SSL certificate has been revoked by the certificate authority.
ERR_HTTP2_PROTOCOL_ERRORAn error occurred in the HTTP/2 protocol communication.
ERR_QUIC_PROTOCOL_ERRORAn error occurred in the QUIC/HTTP/3 protocol communication.
ERR_INTERNET_DISCONNECTEDThe device does not have an active internet connection.
ERR_TOO_MANY_REDIRECTSThe browser detected too many HTTP redirects (typically more than 20).
ERR_SSL_VERSION_OR_CIPHER_MISMATCHThe client and server cannot agree on a TLS version or cipher suite.
ERR_CONNECTION_CLOSEDThe connection was closed before the response was completed.
ERR_CONNECTION_RESETThe connection was forcibly reset during communication.
ERR_EMPTY_RESPONSEThe server did not send any data and closed the connection.
ERR_FAILEDA network request failed for a reason not covered by more specific error codes.
WebSocket connection failedThe WebSocket connection could not be established or was interrupted.
ERR_PROXY_CONNECTION_FAILEDThe connection to the proxy server could not be established.
ERR_TUNNEL_CONNECTION_FAILEDThe CONNECT tunnel through a proxy server could not be established.
ERR_INSUFFICIENT_RESOURCESThe browser has run out of resources to handle the network request.
DNS_PROBE_FINISHED_NXDOMAINChrome's DNS probe confirmed the domain does not exist.
Sec-Fetch blockedThe request was blocked based on Sec-Fetch-* metadata headers.
TS2783A spread argument in a function call must be a tuple type or passed to a rest parameter.
TS2820A JSX element type does not have any matching call or construct signatures.
TS1343The import/export syntax requires the file to be treated as a module.
TS2742The inferred type of a declaration cannot be named without a dependency that is not available.
TS18047TypeScript warns that a value could be null and you are using it without checking.
TS2810A JSX attribute expected a boolean value but received a different type.
TS2353An object literal passed directly to a function contains properties not in the expected type.
TS2339A prop is passed to a React component that does not accept it in its type definition.
TS2786The expression cannot be used as a JSX component because its return type is not valid.
TS1479The relative import path requires a file extension under Node.js ESM resolution.
TS2688TypeScript cannot find the type definition file specified in types or typeRoots.
TS4082The default export requires a type annotation when generating declaration files.
TS2669Module augmentation declarations must be in a file that is recognized as an external module.
TS2856A @ts-check comment is used in a TypeScript file where it has no effect.
E0046Not all required methods of a trait are implemented.
E0053The method signature in an impl block does not match the trait's method signature.
E0277A type that does not implement Send is used in a context that requires thread-safety.
E0277A dynamically sized type (DST) is used where a Sized type is required.
E0277A type is used in a for loop or iterator context but does not implement Iterator.
E0308The closure returns a different type than expected by the context.
E0562The impl Trait syntax is used in a position where it is not allowed.
E0308The function returns a Result with the wrong Ok or Err type.
E0277A type is used as a callable but does not implement Fn, FnMut, or FnOnce.
MissingResourceExceptionA resource bundle or resource key cannot be found.
SAXParseExceptionAn XML document has a parsing error.
ReflectiveOperationExceptionA reflection operation throws an exception.
TimeoutExceptionAn operation timed out waiting for a result.
ExecutionExceptionAn exception occurred during the execution of a task submitted to an executor.
RejectedExecutionExceptionA task cannot be accepted by the executor for execution.
BrokenBarrierExceptionA CyclicBarrier is in a broken state when a thread tries to await.
CompletionExceptionA CompletableFuture completed with an exception.
BufferUnderflowExceptionA read operation on a buffer exceeds the remaining data.
BufferOverflowExceptionA write operation on a buffer exceeds its capacity.
ReadOnlyBufferExceptionA write operation is attempted on a read-only buffer.
CharConversionExceptionA character encoding or decoding operation encounters an invalid byte sequence.
ObjectStreamExceptionAn exception occurred during Java object serialization or deserialization.
NotSerializableExceptionAn object that does not implement Serializable is being serialized.
InvalidClassExceptionA serialized class has an incompatible version or invalid format.
CertificateExceptionA certificate-related error occurred during SSL/TLS operations.
SSLHandshakeExceptionThe SSL/TLS handshake failed between client and server.
ProtocolExceptionAn HTTP or network protocol violation occurred.
BindExceptionA socket cannot be bound to the requested address or port.
AccessDeniedExceptionA file system operation is denied due to insufficient permissions.
NoSuchFileExceptionThe file or directory at the specified path does not exist.
FileAlreadyExistsExceptionA file creation or move operation fails because the target file already exists.
DirectoryNotEmptyExceptionA directory deletion fails because the directory is not empty.
ERR_CERTIFICATE_TRANSPARENCY_REQUIREDThe certificate does not meet Certificate Transparency requirements.
ECONNABORTEDThe connection was aborted by the local system.
ERR_RESPONSE_HEADERS_TOO_BIGThe server's response headers exceed the browser's maximum allowed size.
ERR_CONTENT_LENGTH_MISMATCHThe actual response body size does not match the Content-Length header.
CORS: Credentials mode not supportedA cross-origin request with credentials fails because the server uses a wildcard origin.
CSP: Inline script/style blockedAn inline script or style was blocked by the Content Security Policy.
ERR_SSL_CLIENT_AUTH_CERT_NEEDEDThe server requires a client SSL certificate for authentication.
ERR_ADDRESS_UNREACHABLEThe target IP address or hostname cannot be reached from the browser.
ERR_BLOCKED_BY_RESPONSEThe browser blocked the response due to CORB, CORP, or other response-based security policies.
ERR_SSL_OBSOLETE_VERSIONThe server only supports TLS versions that are considered obsolete and insecure.