Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Filesystem\Factory" not found in D:\Apache24\www\sanqi\back-end\vendor\laravel\framework\src\Illuminate\Filesystem\FilesystemManager.php:23 Stack trace: #0 {main} thrown in D:\Apache24\www\sanqi\back-end\vendor\laravel\framework\src\Illuminate\Filesystem\FilesystemManager.php on line 23