Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in C:\xampp\htdocs\snipe-it-8.3.7\app\Http\Controllers\BulkSuppliersController.php:15 Stack trace: #0 {main} thrown in C:\xampp\htdocs\snipe-it-8.3.7\app\Http\Controllers\BulkSuppliersController.php on line 15