Fatal error: Uncaught Error: Class 'App\Http\Controllers\Controller' not found in /home/demohatinco/public_html/medical2_backend/app/Http/Controllers/Admin/QuizController.php:22 Stack trace: #0 {main} thrown in /home/demohatinco/public_html/medical2_backend/app/Http/Controllers/Admin/QuizController.php on line 22