Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Auth\UserProvider' not found in /mnt/volume_lon1_01/backend/admin/vendor/laravel/passport/src/PassportUserProvider.php:8 Stack trace: #0 {main} thrown in /mnt/volume_lon1_01/backend/admin/vendor/laravel/passport/src/PassportUserProvider.php on line 8