Fatal error: Uncaught Error: Class "Illuminate\Container\Container" not found in D:\programs\xampp\htdocs\backend-test\vendor\laravel\framework\src\Illuminate\Foundation\Application.php:34 Stack trace: #0 {main} thrown in D:\programs\xampp\htdocs\backend-test\vendor\laravel\framework\src\Illuminate\Foundation\Application.php on line 34