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