Fatal error: Uncaught Error: Call to undefined method App\Controller\Core::vacant() in /srv/app/lib/f8/lib/F8/Router.php:228 Stack trace: #0 /srv/app/lib/f8/lib/F8/Router.php(91): F8\Router->followRoute(Array) #1 /srv/app/public/index.php(191): F8\Router->go() #2 {main} thrown in /srv/app/lib/f8/lib/F8/Router.php on line 228