Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /home/alkhalaffamily/public_html/teachme/app/Http/Controllers/Api/Teacher/UsersController.php:20 Stack trace: #0 {main} thrown in /home/alkhalaffamily/public_html/teachme/app/Http/Controllers/Api/Teacher/UsersController.php on line 20