Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /home/gbc4/public_html/qrme/app/Http/Controllers/VcardSubscribersController.php:9 Stack trace: #0 {main} thrown in /home/gbc4/public_html/qrme/app/Http/Controllers/VcardSubscribersController.php on line 9