Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /home/appgulf1/elevator.hifisys.com/elevator/app/Http/Controllers/Api/IndexController.php:17 Stack trace: #0 {main} thrown in /home/appgulf1/elevator.hifisys.com/elevator/app/Http/Controllers/Api/IndexController.php on line 17