Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Auth\UserProvider' not found in /home/vtsnised/public_html/anketa2.0/vendor/laravel/framework/src/Illuminate/Auth/EloquentUserProvider.php:11 Stack trace: #0 {main} thrown in /home/vtsnised/public_html/anketa2.0/vendor/laravel/framework/src/Illuminate/Auth/EloquentUserProvider.php on line 11