Error map

Key path oauth-private.key does not exist or is not readable Laravel Passport: LogicException: Key path "file:///var/www/storage/oauth-private.key" does not exist or is not readable

Laravel · layer 4, Application & API

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2 · Network 4 · Application & API 6 · Platform & cloud
Key path oauth-private.key does not exist or is not readable — Laravel Passport: LogicException: Key path "file:///var/www/storage/oauth-private.key" does not exist or is not readable (Laravel)Key path oa…Failed to serialize user into session — Passport.js: Error: Failed to serialize user into session (Authentication)Failed to serialize…Laravel storage — Laravel: The stream or file "storage/logs/laravel.log" could not be opened in append mode: Failed to open stream: Permission denied (PHP)Laravel storageLaravel: Allowed memory size exhausted (request) — Laravel/PHP: Allowed memory size of 134217728 bytes exhausted (tried to allocate 20480 bytes) in vendor/laravel/framework (Laravel)Laravel: Allowed me…403 This action is unauthorized — Laravel: Illuminate\Auth\Access\AuthorizationException: This action is unauthorized. (Laravel)403 This action is …Attempt to read property "x" on null — Laravel/PHP 8: ErrorException: Attempt to read property "name" on null (Laravel)Attempt to read pro…The bootstrap/cache directory must be present and writable — Laravel: RuntimeException: The /var/www/bootstrap/cache directory must be present and writable. (Laravel)The bootstrap/cache…Command "x" is not defined — Laravel: Symfony\Component\Console\Exception\CommandNotFoundException: Command "make:livewire" is not defined. Did you mean one of these? (Laravel)Command "x" is not …ExpiredToken — AWS: ExpiredToken — The security token included in the request is expired (AWS)ExpiredTokensession_start() — Warning: session_start(): Session cannot be started after headers have already been sent (PHP)session_start()Session has not been configured — InvalidOperationException: Session has not been configured for this application or request (.NET)Session has not bee…EACCES — Linux: Permission denied (Linux)EACCESfailed to open stream — Warning: include(x.php): Failed to open stream: No such file or directory (PHP)failed to open stre…session save path — Warning: session_start(): open(/var/lib/php/sessions/sess_x, O_RDWR) failed: Permission denied (PHP)session save pathAllowed memory size exhausted — PHP Fatal error: Allowed memory size of X bytes exhausted (PHP)Allowed memory size…SIGSEGV — Segmentation fault (core dumped) (Linux)SIGSEGVOOM killer — Killed / Out of memory: Killed process (Linux OOM killer) (Linux)OOM killerTarget class does not exist — Laravel: Target class [App\Http\Controllers\X] does not exist. (PHP)Target class does n…Class "App\Models\X" not found — Laravel: Error: Class "App\Models\Post" not found (Laravel)Class "App\Models\X…Undefined variable $x (Blade view) — Laravel: ErrorException: Undefined variable $posts (View: /resources/views/posts/index.blade.php) (Laravel)Undefined variable …No application encryption key — Laravel: No application encryption key has been specified. (PHP)No application encr…419 Page Expired — Laravel: 419 Page Expired (CSRF token mismatch) (PHP)419 Page ExpiredVite manifest not found — Laravel: Vite manifest not found at: public/build/manifest.json (PHP)Vite manifest not f…sudoers — user is not in the sudoers file. This incident will be reported. (Linux)sudoersNot allowed — WordPress: Sorry, you are not allowed to access this page. (WordPress)Not allowedUNPROTECTED PRIVATE KEY FILE — WARNING: UNPROTECTED PRIVATE KEY FILE! Permissions 0644 for 'key.pem' are too open (Linux)UNPROTECTED PRIVATE…This does not seem to be a WordPress installation — WP-CLI: Error: This does not seem to be a WordPress installation. Pass --path=`path/to/wordpress` or run `wp core download` (WordPress)This does not seem …Laravel: Connection could not be established with host — Laravel: Symfony\Component\Mailer\Exception\TransportException: Connection could not be established with host "smtp.mailtrap.io:2525": stream_socket_client(): Unable to connect (Email / SMTP)Laravel: Connection…Laravel: Expected response code 250 but got 550 — Laravel: Expected response code "250" but got code "550", with message "550 5.7.1 Relaying denied" (Email / SMTP)Laravel: Expected r…

Directly related (7)

Failed to serialize user into sessionAuthentication

Passport.js: Error: Failed to serialize user into session

Passport logged a user in but there’s no serializeUser function (or it didn’t call done), so the session can’t store the user.

Laravel storagePHP

Laravel: The stream or file "storage/logs/laravel.log" could not be opened in append mode: Failed to open stream: Permission denied

The web server can’t write to Laravel’s storage or bootstrap/cache directories.

Laravel: Allowed memory size exhausted (request)Laravel

Laravel/PHP: Allowed memory size of 134217728 bytes exhausted (tried to allocate 20480 bytes) in vendor/laravel/framework

A request (or artisan job) used more memory than PHP's `memory_limit` allows.

403 This action is unauthorizedLaravel

Laravel: Illuminate\Auth\Access\AuthorizationException: This action is unauthorized.

A policy or gate denied the action for the current user, so Laravel returned HTTP 403.

Attempt to read property "x" on nullLaravel

Laravel/PHP 8: ErrorException: Attempt to read property "name" on null

You accessed a property on a value that is `null`, typically an empty relationship or a query that found nothing.

The bootstrap/cache directory must be present and writableLaravel

Laravel: RuntimeException: The /var/www/bootstrap/cache directory must be present and writable.

Laravel can't write its compiled cache files because the folder is missing or has the wrong permissions/owner.

Command "x" is not definedLaravel

Laravel: Symfony\Component\Console\Exception\CommandNotFoundException: Command "make:livewire" is not defined. Did you mean one of these?

`php artisan` doesn't know the command you typed — typo, missing package or an unregistered service provider.

Two steps away (21)

ExpiredTokenAWS

AWS: ExpiredToken — The security token included in the request is expired

Temporary AWS credentials (STS/SSO/assumed role) have expired.

session_start()PHP

Warning: session_start(): Session cannot be started after headers have already been sent

session_start() ran after output was sent, so PHP can’t set the session cookie.

Session has not been configured.NET

InvalidOperationException: Session has not been configured for this application or request

Code used HttpContext.Session, but session services/middleware aren’t registered — or UseSession runs after the endpoint that nee…

EACCESLinux

Linux: Permission denied

Your user (or the service user) lacks read/write/execute permission on a file, directory or one of its parents.

failed to open streamPHP

Warning: include(x.php): Failed to open stream: No such file or directory

PHP couldn’t open a file for include/require/fopen — wrong path, missing file, or no permission.

session save pathPHP

Warning: session_start(): open(/var/lib/php/sessions/sess_x, O_RDWR) failed: Permission denied

PHP can’t write session files to the configured session.save_path.

Allowed memory size exhaustedPHP

PHP Fatal error: Allowed memory size of X bytes exhausted

The script tried to use more memory than PHP’s `memory_limit` allows.

SIGSEGVLinux

Segmentation fault (core dumped)

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

OOM killerLinux

Killed / Out of memory: Killed process (Linux OOM killer)

The kernel ran out of memory and killed a process to recover — the program just prints “Killed” (exit code 137).

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.

Class "App\Models\X" not foundLaravel

Laravel: Error: Class "App\Models\Post" not found

PHP can't find the class you referenced — a missing import, wrong namespace or file name, or a stale autoloader.

Undefined variable $x (Blade view)Laravel

Laravel: ErrorException: Undefined variable $posts (View: /resources/views/posts/index.blade.php)

A Blade template uses a variable the controller didn't pass to the view.

No application encryption keyPHP

Laravel: No application encryption key has been specified.

Laravel’s APP_KEY is missing, so it can’t encrypt sessions and cookies.

419 Page ExpiredPHP

Laravel: 419 Page Expired (CSRF token mismatch)

Laravel rejected a POST because the CSRF token was missing, expired or didn’t match the session.

Vite manifest not foundPHP

Laravel: Vite manifest not found at: public/build/manifest.json

Laravel’s @vite directive can’t find the compiled asset manifest because assets weren’t built.

sudoersLinux

user is not in the sudoers file. This incident will be reported.

Your account isn’t allowed to use sudo.

Not allowedWordPress

WordPress: Sorry, you are not allowed to access this page.

Your user role lacks the capability for that admin screen — or the database table prefix / user capabilities are out of sync afte…

UNPROTECTED PRIVATE KEY FILELinux

WARNING: UNPROTECTED PRIVATE KEY FILE! Permissions 0644 for 'key.pem' are too open

SSH refuses to use a private key that other users can read; it must be readable only by you (chmod 600).

This does not seem to be a WordPress installationWordPress

WP-CLI: Error: This does not seem to be a WordPress installation. Pass --path=`path/to/wordpress` or run `wp core download`

WP-CLI couldn’t find WordPress in the current directory (or the --path given).

Laravel: Connection could not be established with hostEmail / SMTP

Laravel: Symfony\Component\Mailer\Exception\TransportException: Connection could not be established with host "smtp.mailtrap.io:2525": stream_socket_client(): Unable to connect

Laravel's mailer could not connect to the SMTP host configured in `.env`.

Laravel: Expected response code 250 but got 550Email / SMTP

Laravel: Expected response code "250" but got code "550", with message "550 5.7.1 Relaying denied"

Laravel connected and authenticated but the SMTP server rejected the message at the RCPT TO / MAIL FROM / DATA step with the code…

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