An assignment was attempted to something that cannot be assigned to.

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JavaScript-FehlerFehler

SyntaxError

SyntaxError

The JavaScript engine encountered code that does not conform to the language syntax.

browsernode

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JavaScript-FehlerFehler

SyntaxError: Unexpected token

SyntaxError: Unexpected token

The parser encountered a token (character or keyword) that was not expected at that position in the code.

browsernode

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JavaScript-FehlerFehler

SyntaxError: Unexpected end of input

SyntaxError: Unexpected end of input

The parser reached the end of the input while still expecting more code, usually due to unclosed brackets or strings.

browsernode

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JavaScript-FehlerFehler

SyntaxError: JSON.parse unexpected character

SyntaxError: JSON.parse unexpected character

JSON.parse() encountered invalid JSON syntax, such as single quotes, trailing commas, or unquoted keys.

browsernode

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JavaScript-FehlerFehler

SyntaxError: Missing ) after argument list

SyntaxError: Missing ) after argument list

A function call is missing its closing parenthesis.

browsernode

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JavaScript-FehlerFehler

SyntaxError: Unterminated string literal

SyntaxError: Unterminated string literal

A string literal is missing its closing quote.

browsernode

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JavaScript-FehlerFehler

SyntaxError: Illegal return statement

SyntaxError: Illegal return statement

A return statement was used outside of a function body.

browsernode

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JavaScript-FehlerFehler

SyntaxError: Identifier has already been declared

SyntaxError: Identifier has already been declared

A variable with the same name was declared twice in the same scope using let or const.

browsernode

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JavaScript-FehlerFehler

SyntaxError: Cannot use import statement outside a module

SyntaxError: Cannot use import statement outside a module

ES module import syntax was used in a file that is not treated as a module.

browsernode

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JavaScript-FehlerFehler

SyntaxError: await is only valid in async functions

SyntaxError: await is only valid in async functions

The await keyword was used outside of an async function.

browsernode

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Python-AusnahmenFehler

SyntaxError

SyntaxError

Python encountered invalid syntax that cannot be parsed.

python

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Python-AusnahmenFehler

IndentationError

IndentationError

The code has incorrect indentation, which is syntactically significant in Python.

python

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Python-AusnahmenFehler

TabError

TabError

Indentation uses an inconsistent mix of tabs and spaces.

python

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Python-AusnahmenFehler

re.error

re.error: Invalid regular expression

The regular expression pattern contains invalid syntax.

python

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Docker-FehlerFehler

Error: yaml: unmarshal errors

Error: yaml unmarshal errors

The Docker Compose file contains invalid YAML syntax.

dockerlinuxwindowsmacos

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JavaScript-FehlerFehler

SyntaxError: Applying delete to unqualified name in strict mode

SyntaxError: Delete of unqualified name in strict mode

The delete operator was used on a plain variable name in strict mode, which is not allowed.

browsernode

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JavaScript-FehlerFehler

SyntaxError: Missing initializer in const declaration

SyntaxError: Missing initializer in const declaration

A const variable was declared without an initial value.

browsernode

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JavaScript-FehlerFehler

SyntaxError: JSON.parse: bad parsing

SyntaxError: JSON.parse: bad parsing

Firefox-specific error message for invalid JSON passed to JSON.parse().

browsernode

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Linux/POSIX-FehlerFehler

Exit 2

Exit 2 — Misuse of Shell Built-in

A shell built-in was used incorrectly, or a command returned a usage error.

linuxmacosunix

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SQL-/Datenbank-FehlerFehler

22007

22007 — Invalid Datetime Format

A date, time, or timestamp value is in an invalid format.

postgresql

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SQL-/Datenbank-FehlerFehler

42000

42000 — Syntax Error or Access Rule Violation

The SQL statement contains a syntax error or violates an access rule.

postgresql

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SQL-/Datenbank-FehlerFehler

42601

42601 — Syntax Error

The SQL statement contains a syntax error.

postgresql

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SQL-/Datenbank-FehlerFehler

42602

42602 — Invalid Name

An identifier name in the SQL statement is invalid.

postgresql

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SQL-/Datenbank-FehlerFehler

42701

42701 — Duplicate Column

A column name appears more than once where it must be unique.

postgresql

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SQL-/Datenbank-FehlerFehler

42702

42702 — Ambiguous Column

A column reference is ambiguous because it exists in multiple tables.

postgresql

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SQL-/Datenbank-FehlerFehler

42703

42703 — Undefined Column

The specified column does not exist in the table or result set.

postgresql

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SQL-/Datenbank-FehlerFehler

42712

42712 — Duplicate Alias

A table alias is used more than once in the same query.

postgresql

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SQL-/Datenbank-FehlerFehler

42P02

42P02 — Undefined Parameter

A prepared statement parameter is referenced but not defined.

postgresql

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SQL-/Datenbank-FehlerFehler

MySQL 1054

MySQL 1054 — Unknown Column

The specified column does not exist in the table.

mysql

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SQL-/Datenbank-FehlerFehler

MySQL 1064

MySQL 1064 — SQL Syntax Error

The SQL statement contains a syntax error.

mysql

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SQL-/Datenbank-FehlerFehler

SQLITE_ERROR (1)

SQLITE_ERROR (1) — Generic SQL Error

A generic SQL error or missing database occurred.

sqlite

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Windows-FehlerFehler

ParameterBindingException

ParameterBindingException — Parameter Not Found

A parameter specified in the command does not exist.

windows

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SQL-/Datenbank-FehlerFehler

42P20

42P20 — Windowing Error

The window function specification is invalid.

postgresql

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SQL-/Datenbank-FehlerFehler

42611

42611 — Invalid Column Definition

A column definition in CREATE TABLE or ALTER TABLE is invalid.

postgresql

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SQL-/Datenbank-FehlerFehler

MySQL 1060

MySQL 1060 — Duplicate Column Name

A column name appears more than once in the table definition.

mysql

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SQL-/Datenbank-FehlerFehler

MySQL 1136

MySQL 1136 — Column Count Doesn't Match

The INSERT column count does not match the values count.

mysql

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SQL-/Datenbank-FehlerFehler

MySQL 1149

MySQL 1149 — SQL Syntax Error (Legacy)

The SQL statement contains a syntax error (legacy format).

mysql

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SQL-/Datenbank-FehlerFehler

MySQL 1065

MySQL 1065 — Query Was Empty

An empty query was sent to the MySQL server.

mysql

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TypeScript-FehlerFehler

TS1005

TS1005 — Expected Token Missing

TypeScript expected a specific token (like a semicolon, comma, or bracket) but found something else.

nodebrowserdenobun

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TypeScript-FehlerFehler

TS1002

TS1002 — Unterminated String Literal

A string literal is missing its closing quote.

nodebrowserdenobun

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TypeScript-FehlerFehler

TS1003

TS1003 — Identifier Expected

TypeScript expected an identifier (variable name, function name, etc.) but found something else.

nodebrowserdenobun

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TypeScript-FehlerFehler

TS1109

TS1109 — Expression Expected

TypeScript expected an expression but found a token that cannot start an expression.

nodebrowserdenobun

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TypeScript-FehlerFehler

TS1128

TS1128 — Declaration or Statement Expected

TypeScript expected a declaration or statement but found an unexpected token.

nodebrowserdenobun

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TypeScript-FehlerFehler

TS2393

TS2393 — Duplicate Function Implementation

A function with the same name is implemented more than once.

nodebrowserdenobun

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TypeScript-FehlerFehler

TS2451

TS2451 — Cannot Redeclare Block-Scoped Variable

A variable declared with let or const is being redeclared in the same scope.

nodebrowserdenobun

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TypeScript-FehlerFehler

TS2300

TS2300 — Duplicate Identifier

The same identifier is declared more than once in the same scope.

nodebrowserdenobun

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TypeScript-FehlerFehler

TS1375

TS1375 — await Expressions Only Allowed in Async Functions

The await keyword is used inside a function that is not marked as async.

nodebrowserdenobun

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TypeScript-FehlerFehler

TS1378

TS1378 — Top-Level await Requires Module

Top-level await can only be used when the module option is set to a supported module system.

nodebrowserdenobun

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TypeScript-FehlerFehler

TS1046

TS1046 — Top-Level Declaration Required

An await expression or other top-level construct requires the file to be a module.

nodebrowserdenobun

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TypeScript-FehlerFehler

TS1056

TS1056 — Accessors Not Available in Target

Getter/setter accessors require a higher ECMAScript target version.

nodebrowserdenobun

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TypeScript-FehlerFehler

TS1064

TS1064 — Promise Constructor Requires New

The Promise constructor must be called with the new keyword.

nodebrowserdenobun

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TypeScript-FehlerFehler

TS1068

TS1068 — Unexpected Token in Ambient Context

An unexpected token was found inside a declaration file or declare block.

nodebrowserdenobun

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TypeScript-FehlerFehler

TS1149

TS1149 — Import Declaration Not Allowed in Ambient Context

An import declaration conflicts with the ambient context of the file.

nodebrowserdenobun

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TypeScript-FehlerFehler

TS2448

TS2448 — Block-Scoped Variable Used Before Declaration

A variable declared with let or const is referenced before its declaration in the same block.

nodebrowserdenobun

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TypeScript-FehlerFehler

TS17004

TS17004 — Cannot Use JSX Unless Fragment Is Provided

JSX fragments (<>...</>) require a jsxFragmentFactory or React.Fragment to be available.

nodebrowserdenobun

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TypeScript-FehlerFehler

TS1131

TS1131 — Property or Signature Expected

TypeScript expected a property declaration or method signature but found something else.

nodebrowserdenobun

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TypeScript-FehlerFehler

TS1270

TS1270 — Decorator Used Before Export

A decorator is placed before the export keyword, which is not allowed.

nodebrowserdenobun

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Rust-Compiler-FehlerFehler

E0425

E0425 — Cannot Find Value in This Scope

An identifier is used but not defined in the current scope.

rustcargo

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Rust-Compiler-FehlerFehler

E0423

E0423 — Expected Value, Found Type

A type name is used where a value was expected.

rustcargo

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Rust-Compiler-FehlerFehler

E0424

E0424 — Expected Value, Found self

The self keyword is used outside of a method or associated function context.

rustcargo

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Rust-Compiler-FehlerFehler

E0252

E0252 — Name Already Imported

Two imports bring the same name into scope.

rustcargo

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Rust-Compiler-FehlerFehler

E0255

E0255 — Name Conflict with Import

A local definition conflicts with an imported name.

rustcargo

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Rust-Compiler-FehlerFehler

E0428

E0428 — Duplicate Definition

An item with the same name is defined more than once in the same scope.

rustcargo

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Java-AusnahmenFehler

PatternSyntaxException

PatternSyntaxException

A regular expression has invalid syntax.

jvmandroid

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CSS-FehlerWarnung

Invalid property value

Invalid Property Value

The value assigned to a CSS property is not valid for that property.

Unknown Property

The CSS property name is not recognized by the browser.

Unexpected Token

The CSS parser encountered an unexpected character or token.

Missing Semicolon

A semicolon is missing at the end of a CSS declaration.

browser

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CSS-FehlerWarnung

Unrecognized at-rule

Unrecognized At-Rule

The CSS parser does not recognize the @-rule.

Invalid Selector

The CSS selector syntax is not valid.

browser

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CSS-FehlerWarnung

Invalid grid template

Invalid Grid Template

The grid-template-columns or grid-template-rows value has invalid syntax.

browser

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CSS-FehlerFehler

Invalid calc() expression

Invalid calc() Expression

The calc() function has a syntax error.

browser

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CSS-FehlerWarnung

Invalid media query

Invalid Media Query

The media query syntax is not valid.

Invalid @keyframes

The @keyframes animation definition has a syntax error.

browser

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CSS-FehlerWarnung

Invalid color function

Invalid Color Function

A CSS color function (rgb, hsl, oklch, etc.) has invalid syntax.

browser

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CSS-FehlerWarnung

CSS nesting unsupported

CSS Nesting Not Supported

The browser does not support native CSS nesting syntax.

browser

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CSS-FehlerFehler

Missing closing brace

Missing Closing Brace

A CSS rule block is missing its closing brace.

browser

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CSS-FehlerFehler

Invalid clamp() syntax

Invalid clamp() Syntax

The clamp() function has incorrect syntax or parameters.

browser

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TypeScript-FehlerFehler

TS1343

TS1343 — Module Declaration Not Allowed Without Module Flag

The import/export syntax requires the file to be treated as a module.

nodebrowserdenobun

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TypeScript-FehlerFehler

TS2669

TS2669 — Augmentations Must Be in External Modules

Module augmentation declarations must be in a file that is recognized as an external module.

nodebrowserdenobun

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TypeScript-FehlerFehler

TS2856

TS2856 — Unsupported @ts-check Directive

A @ts-check comment is used in a TypeScript file where it has no effect.

SAXParseException

An XML document has a parsing error.

jvmandroid

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ReferenceError: Invalid left-hand side in assignment

SyntaxError

SyntaxError: Unexpected token

SyntaxError: Unexpected end of input

SyntaxError: JSON.parse unexpected character

SyntaxError: Missing ) after argument list

SyntaxError: Unterminated string literal

SyntaxError: Illegal return statement

SyntaxError: Identifier has already been declared

SyntaxError: Cannot use import statement outside a module

SyntaxError: await is only valid in async functions

SyntaxError

IndentationError

TabError

re.error: Invalid regular expression

Error: yaml unmarshal errors

SyntaxError: Delete of unqualified name in strict mode

SyntaxError: Missing initializer in const declaration

SyntaxError: JSON.parse: bad parsing

Exit 2 — Misuse of Shell Built-in

22007 — Invalid Datetime Format

42000 — Syntax Error or Access Rule Violation

42601 — Syntax Error

42602 — Invalid Name

42701 — Duplicate Column

42702 — Ambiguous Column

42703 — Undefined Column

42712 — Duplicate Alias

42P02 — Undefined Parameter

MySQL 1054 — Unknown Column

MySQL 1064 — SQL Syntax Error

SQLITE_ERROR (1) — Generic SQL Error

ParameterBindingException — Parameter Not Found

42P20 — Windowing Error

42611 — Invalid Column Definition

MySQL 1060 — Duplicate Column Name

MySQL 1136 — Column Count Doesn't Match

MySQL 1149 — SQL Syntax Error (Legacy)

MySQL 1065 — Query Was Empty

TS1005 — Expected Token Missing

TS1002 — Unterminated String Literal

TS1003 — Identifier Expected

TS1109 — Expression Expected

TS1128 — Declaration or Statement Expected

TS2393 — Duplicate Function Implementation

TS2451 — Cannot Redeclare Block-Scoped Variable

TS2300 — Duplicate Identifier

TS1375 — await Expressions Only Allowed in Async Functions

TS1378 — Top-Level await Requires Module

TS1046 — Top-Level Declaration Required

TS1056 — Accessors Not Available in Target

TS1064 — Promise Constructor Requires New

TS1068 — Unexpected Token in Ambient Context

TS1149 — Import Declaration Not Allowed in Ambient Context

TS2448 — Block-Scoped Variable Used Before Declaration

TS17004 — Cannot Use JSX Unless Fragment Is Provided

TS1131 — Property or Signature Expected

TS1270 — Decorator Used Before Export

E0425 — Cannot Find Value in This Scope

E0423 — Expected Value, Found Type

E0424 — Expected Value, Found self

E0252 — Name Already Imported

E0255 — Name Conflict with Import

E0428 — Duplicate Definition

PatternSyntaxException

Invalid Property Value

Unknown Property

Unexpected Token

Missing Semicolon

Unrecognized At-Rule

Invalid Selector

Invalid Grid Template

Invalid calc() Expression

Invalid Media Query

Invalid @keyframes

Invalid Color Function

CSS Nesting Not Supported

Missing Closing Brace

Invalid clamp() Syntax

TS1343 — Module Declaration Not Allowed Without Module Flag