Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in C:\xampp\htdocs\laravel-project11\laravel-project\app\Http\Controllers\AdminController.php:15 Stack trace: #0 {main} thrown in C:\xampp\htdocs\laravel-project11\laravel-project\app\Http\Controllers\AdminController.php on line 15