Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /home/www/swittelecom.com/test/laravel/app/Http/Controllers/Back/NotificationController.php:14 Stack trace: #0 {main} thrown in /home/www/swittelecom.com/test/laravel/app/Http/Controllers/Back/NotificationController.php on line 14