Fatal error: Uncaught Error: Class 'App\Http\Controllers\Controller' not found in /home/szfwxvyz/sms/sms-ito/app/Http/Controllers/NiveauController.php:11 Stack trace: #0 {main} thrown in /home/szfwxvyz/sms/sms-ito/app/Http/Controllers/NiveauController.php on line 11