Error: Method index not found in App\Controllers\ContactController

#0 /home/kanvasga/cilekpool.com/app/Core/Router.php(70): App\Core\Router->callHandler('App\\Controllers...')
#1 /home/kanvasga/cilekpool.com/app/Core/Application.php(119): App\Core\Router->dispatch()
#2 /home/kanvasga/cilekpool.com/public/index.php(284): App\Core\Application->run()
#3 {main}