Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in C:\AppServ\Apache\2.4.58\htdocs\sets\app\Http\Controllers\BackController.php:7 Stack trace: #0 {main} thrown in C:\AppServ\Apache\2.4.58\htdocs\sets\app\Http\Controllers\BackController.php on line 7