Fatal error: Uncaught Error: Class "App\Http\Controllers\AppBaseController" not found in /home/demohost/hospital.demohost.in/app/Http/Controllers/Web/AppointmentController.php:20 Stack trace: #0 {main} thrown in /home/demohost/hospital.demohost.in/app/Http/Controllers/Web/AppointmentController.php on line 20