Fatal error: Uncaught Error: Class "App\Supplier\app\Http\Controllers\Controller" not found in /var/www/html/supplier/src/app/Http/Controllers/RawMaterial/RawMaterialController.php:19 Stack trace: #0 {main} thrown in /var/www/html/supplier/src/app/Http/Controllers/RawMaterial/RawMaterialController.php on line 19