Fatal error: Uncaught Error: Class 'App\Http\Controllers\Controller' not found in /home/codeapli/123/app/Modules/BookingEngine/Controllers/SlotAvailabilityController.php:11 Stack trace: #0 {main} thrown in /home/codeapli/123/app/Modules/BookingEngine/Controllers/SlotAvailabilityController.php on line 11