Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in C:\laragon\www\Clinic\app\Modules\Billing\Http\Controllers\Web\InvoiceItemController.php:17 Stack trace: #0 {main} thrown in C:\laragon\www\Clinic\app\Modules\Billing\Http\Controllers\Web\InvoiceItemController.php on line 17