AkousaHTTP Status CodesError
520520 Web Server Returned an Unknown Error
Cloudflare received an unexpected or empty response from the origin server.
browserserver
View details 108 error codes tagged with "cloud-provider"
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.
AccessDeniedExceptionThe request was denied due to insufficient IAM permissions.
ThrottlingExceptionThe request was throttled due to exceeding the API rate limit.
TooManyRequestsExceptionToo many requests were sent in a given time period.
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).
SlowDownS3 is throttling requests due to excessive request rates.
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 StorageFullThe RDS instance has run out of storage space.
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 DATA_LOSS (500)Unrecoverable data loss or corruption was detected.
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 Billing account disabledThe project's billing account is disabled or not configured.
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 SKU is not available in the specified region.
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.
RequestLimitExceededThe overall API request rate limit was exceeded.
ExpiredTokenExceptionThe security token has expired.
IncompleteSignatureThe request signature does not conform to AWS standards.
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.
GCP CANCELLED (499)The operation was cancelled by the caller.
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 TooManyRequests (429)The request was throttled due to exceeding rate limits.
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.
DryRunOperationThe dry run request would have succeeded.
UnauthorizedAccessThe request was denied due to unauthorized access.