Fatal error: Uncaught Error: Class "Illuminate\Foundation\Http\FormRequest" not found in D:\programs\xampp\htdocs\backend-test\app\Http\Requests\PreEditConfigUpdateReqeuest.php:8 Stack trace: #0 {main} thrown in D:\programs\xampp\htdocs\backend-test\app\Http\Requests\PreEditConfigUpdateReqeuest.php on line 8