Fix common errors

CORS: No 'Access-Control-Allow-Origin' header is present Access to fetch at 'https://api.example.com/api/users' from origin 'https://app.example.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. The browser blocks a request from one origin (domain, port or protocol) to another unless the server allows it with CORS headers. In Laravel, the path is not in config/cors.php, th... laravel api javascript Laravel: Vite manifest not found Vite manifest not found at: /var/www/html/public/build/manifest.json The page uses @vite(...) but the front-end assets were never built, or the public/build folder was not uploaded to the server. Locally it also happens when npm run dev is not runni... laravel vite deployment PHP: Class not found Error: Class "App\Services\PaymentService" not found Composer's autoloader cannot find a file for that class. Usually: The namespace does not match the folder (App\Services must be in app/Services). The file or class name differs in... php composer laravel Laravel: 419 Page Expired 419 | Page Expired Laravel rejects a POST, PUT, PATCH or DELETE request when its CSRF token is missing or does not match the one in the session. Common reasons: The form has no @csrf field. The page... laravel csrf sessions SQLSTATE[HY000] [2002] Connection refused SQLSTATE[HY000] [2002] Connection refused (Connection: mysql, SQL: select * from `users` ...) PHP reached the database host, but nothing accepted the connection on that port. Usually: MySQL / MariaDB is not running. DB_HOST or DB_PORT in .env is wrong. In Docker, 127.0.0.1... laravel mysql database SQLSTATE[HY000] [1045] Access denied for user SQLSTATE[HY000] [1045] Access denied for user 'root'@'localhost' (using password: YES) The database server is running, but it rejected the username or password, or that user is not allowed to connect from this host. DB_USERNAME / DB_PASSWORD in .env are wrong. The pa... laravel mysql database Laravel: No application encryption key has been specified No application encryption key has been specified. APP_KEY in .env is empty or missing. Laravel needs it to encrypt cookies and sessions. This usually happens right after cloning a project or copying .env.example, or when an old ca... laravel deployment Laravel: storage/logs/laravel.log could not be opened: Permission denied The stream or file "/var/www/html/storage/logs/laravel.log" could not be opened in append mode: Failed to open stream: Permission denied The web server user (often www-data, nginx or apache) cannot write to storage/ or bootstrap/cache/. This happens after uploading files as another user, running artisan as root, or... laravel linux deployment Laravel: Target class [Controller] does not exist Target class [UserController] does not exist. Since Laravel 8, routes are not prefixed with the App\Http\Controllers namespace any more. A route written as 'UserController@index' (a string) can't be found. A typo in the class... laravel routing PHP: Allowed memory size exhausted PHP Fatal error: Allowed memory size of 134217728 bytes exhausted (tried to allocate 20480 bytes) The script used more memory than PHP's memory_limit (134217728 bytes = 128 MB). Most often it loads too much at once, like Model::all() on a big table, or builds a huge array or fi... php laravel performance SQLSTATE[42S22]: Column not found: 1054 Unknown column SQLSTATE[42S22]: Column not found: 1054 Unknown column 'status' in 'field list' The query uses a column the table doesn't have. Usually a migration that adds it was not run on this database, the name has a typo, or Eloquent is adding created_at / updated_at to... laravel mysql database Laravel: Add [field] to fillable property to allow mass assignment Add [title] to fillable property to allow mass assignment on [App\Models\Post]. Model::create() and fill() only accept attributes listed in the model's $fillable array. This protects you from users setting fields like is_admin through a form. laravel eloquent