Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in D:\xampp\htdocs\bkash-control-panel\v-1.0\app\Http\Controllers\UserController.php:9 Stack trace: #0 {main} thrown in D:\xampp\htdocs\bkash-control-panel\v-1.0\app\Http\Controllers\UserController.php on line 9