Fatal error: Uncaught Error: Class "App\Core\Router" not found in /var/www/clients/client2/web20/web/app/config/routes.php:4 Stack trace: #0 /var/www/clients/client2/web20/web/index.php(19): require() #1 {main} thrown in /var/www/clients/client2/web20/web/app/config/routes.php on line 4