Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Auth\UserProvider" not found in /home/alkhalaffamily/public_html/nopecommerce/vendor/laravel/framework/src/Illuminate/Auth/DatabaseUserProvider.php:13 Stack trace: #0 {main} thrown in /home/alkhalaffamily/public_html/nopecommerce/vendor/laravel/framework/src/Illuminate/Auth/DatabaseUserProvider.php on line 13