Error 0: App\Core\Route::getAction(): Return value must be of type string, Closure returned

#0 /home/u758482442/domains/comedyshowperu.com/public_html/test/app/Core/Router.php(166): App\Core\Route->getAction()
#1 /home/u758482442/domains/comedyshowperu.com/public_html/test/app/Core/Application.php(135): App\Core\Router->dispatch()
#2 /home/u758482442/domains/comedyshowperu.com/public_html/test/public/index.php(42): App\Core\Application->handleRequest()
#3 {main}