Fatal error: Uncaught Error: Class "Illuminate\Foundation\Http\FormRequest" not found in D:\Apache24\www\xyx_mes\back\backstage-of-xinyaxuan-mes\app\Http\Requests\BaseRequest.php:9 Stack trace: #0 {main} thrown in D:\Apache24\www\xyx_mes\back\backstage-of-xinyaxuan-mes\app\Http\Requests\BaseRequest.php on line 9