Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in C:\laragon\www\genkai-laravel-2026\app\Http\Controllers\GiftVoucherController.php:18 Stack trace: #0 {main} thrown in C:\laragon\www\genkai-laravel-2026\app\Http\Controllers\GiftVoucherController.php on line 18