Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /var/www/html/ldeluipy/abp-app/app/Http/Controllers/MaterialAssignmentController.php:14 Stack trace: #0 {main} thrown in /var/www/html/ldeluipy/abp-app/app/Http/Controllers/MaterialAssignmentController.php on line 14