Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Auth\UserProvider' not found in /home/vtsnised/public_html/anketa2.0/vendor/laravel/framework/src/Illuminate/Auth/DatabaseUserProvider.php:12 Stack trace: #0 {main} thrown in /home/vtsnised/public_html/anketa2.0/vendor/laravel/framework/src/Illuminate/Auth/DatabaseUserProvider.php on line 12