Error map

Composer memory Composer: PHP Fatal error: Allowed memory size of 1610612736 bytes exhausted

PHP · layer 4, Application & API

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Centre: this error. First ring: errors it is linked with (7). Outer ring: what those are linked with. Colours show the layer of a request each error belongs to. Click any dot to re-centre the map on it; hover to follow its connections. The centre dot opens the error page.

Composer memory — Composer: PHP Fatal error: Allowed memory size of 1610612736 bytes exhausted (PHP)Composer me…Call to member function on null — Fatal error: Uncaught Error: Call to a member function x() on null (PHP)Call to member func…ArgumentCountError — Fatal error: Uncaught ArgumentCountError: Too few arguments to function foo(), 1 passed and exactly 2 expected (PHP)ArgumentCountErrorComposer conflict — Your requirements could not be resolved to an installable set of packages. (PHP)Composer conflictAllowed memory size exhausted — PHP Fatal error: Allowed memory size of X bytes exhausted (PHP)Allowed memory size…Class not found — PHP Fatal error: Uncaught Error: Class "X" not found (PHP)Class not foundArray to string conversion — Warning: Array to string conversion (PHP)Array to string con…OOM killer — Killed / Out of memory: Killed process (Linux OOM killer) (Linux)OOM killerNullReferenceException — System.NullReferenceException: Object reference not set to an instance of an object (.NET)NullReferenceExcept…Maximum execution time — PHP Fatal error: Maximum execution time of 30 seconds exceeded (PHP)Maximum execution t…Call to undefined function — PHP Fatal error: Uncaught Error: Call to undefined function (PHP)Call to undefined f…Parse error — PHP Parse error: syntax error, unexpected … (PHP)Parse errorCritical error — WordPress: There Has Been a Critical Error on This Website (WordPress)Critical errorCannot redeclare — Fatal error: Cannot redeclare function foo() (previously declared in …) (PHP)Cannot redeclareERESOLVE — npm ERR! code ERESOLVE — unable to resolve dependency tree (npm)ERESOLVECould not resolve — Gradle: Could not resolve all files for configuration / Could not resolve dependency (Android)Could not resolveClassNotFoundException — java.lang.ClassNotFoundException / NoClassDefFoundError (Java)ClassNotFoundExcept…OOMKilled — Kubernetes: OOMKilled (exit code 137) (Kubernetes)OOMKilled413 — HTTP 413 Content Too Large (Request Entity Too Large) (HTTP)413500 — HTTP 500 Internal Server Error (HTTP)500ModuleNotFoundError — ModuleNotFoundError: No module named 'x' (Python)ModuleNotFoundErrorTarget class does not exist — Laravel: Target class [App\Http\Controllers\X] does not exist. (PHP)Target class does n…intl missing — Class "NumberFormatter" not found / The "intl" PHP extension is required (PHP)intl missingClassCastException — java.lang.ClassCastException: class A cannot be cast to class B (Java)ClassCastExceptionERR_INVALID_ARG_TYPE — TypeError [ERR_INVALID_ARG_TYPE]: The "path" argument must be of type string. Received undefined (Node.js)ERR_INVALID_ARG_TYPEUndefined variable — Warning: Undefined variable $x (PHP)Undefined variableOutOfMemoryError — java.lang.OutOfMemoryError: Java heap space (Java)OutOfMemoryErrorSIGSEGV — Segmentation fault (core dumped) (Linux)SIGSEGVheap out of memory — FATAL ERROR: Reached heap limit Allocation failed - JavaScript heap out of memory (Node.js)heap out of memory

Directly related (7)

Two steps away (21)

NullReferenceException.NET

System.NullReferenceException: Object reference not set to an instance of an object

Code dereferenced a variable that is `null` — the .NET equivalent of Java’s NullPointerException.

Maximum execution timePHP

PHP Fatal error: Maximum execution time of 30 seconds exceeded

The script ran longer than `max_execution_time` and PHP stopped it.

Call to undefined functionPHP

PHP Fatal error: Uncaught Error: Call to undefined function

PHP can’t find the function you called — usually a missing extension, missing include, or namespace issue.

Parse errorPHP

PHP Parse error: syntax error, unexpected …

PHP can’t parse the file because of a syntax mistake — the real error is often on the line before the one reported.

Critical errorWordPress

WordPress: There Has Been a Critical Error on This Website

A PHP fatal error (usually from a plugin or theme) stopped WordPress; the real error is in the debug log or recovery-mode email.

Cannot redeclarePHP

Fatal error: Cannot redeclare function foo() (previously declared in …)

The same function (or class) was defined twice — usually a file included more than once.

ERESOLVEnpm

npm ERR! code ERESOLVE — unable to resolve dependency tree

npm 7+ found conflicting peer dependency requirements and refuses to install a broken tree.

Could not resolveAndroid

Gradle: Could not resolve all files for configuration / Could not resolve dependency

Gradle couldn’t download a dependency — wrong coordinates/version, missing repository, offline mode, or network/proxy issues.

ClassNotFoundExceptionJava

java.lang.ClassNotFoundException / NoClassDefFoundError

The JVM couldn’t find a class on the classpath at runtime.

OOMKilledKubernetes

Kubernetes: OOMKilled (exit code 137)

The container used more memory than its limit, and the kernel killed it.

413HTTP

HTTP 413 Content Too Large (Request Entity Too Large)

The request body is bigger than the server is willing to accept — usually a file upload over the configured limit.

500HTTP

HTTP 500 Internal Server Error

The server hit an unexpected condition — usually an unhandled exception or misconfiguration in the application.

ModuleNotFoundErrorPython

ModuleNotFoundError: No module named 'x'

Python can’t find the module you import — it isn’t installed in the interpreter/virtualenv that’s running, or the import path is…

Target class does not existPHP

Laravel: Target class [App\Http\Controllers\X] does not exist.

Laravel’s container couldn’t find the controller or class named in a route or binding.

intl missingPHP

Class "NumberFormatter" not found / The "intl" PHP extension is required

Code uses the intl extension (NumberFormatter, Collator, IntlDateFormatter) but it isn’t installed.

ClassCastExceptionJava

java.lang.ClassCastException: class A cannot be cast to class B

An object was cast to a type it isn’t.

ERR_INVALID_ARG_TYPENode.js

TypeError [ERR_INVALID_ARG_TYPE]: The "path" argument must be of type string. Received undefined

A Node API got an argument of the wrong type — usually undefined because an env var or config value is missing.

Undefined variablePHP

Warning: Undefined variable $x

PHP read a variable that was never assigned in the current scope.

OutOfMemoryErrorJava

java.lang.OutOfMemoryError: Java heap space

The JVM ran out of heap memory and garbage collection couldn’t free enough.

SIGSEGVLinux

Segmentation fault (core dumped)

A program accessed memory it wasn’t allowed to, and the kernel killed it with SIGSEGV (exit code 139).

heap out of memoryNode.js

FATAL ERROR: Reached heap limit Allocation failed - JavaScript heap out of memory

The V8 heap hit its limit — a large build (webpack, tsc, Next.js) needs more memory, or the app leaks.