Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, class PageController does not have a method "index" in /home/rongini1/public_html/app/core/Router.php:34 Stack trace: #0 /home/rongini1/public_html/public/index.php(31): Router->__construct() #1 {main} thrown in /home/rongini1/public_html/app/core/Router.php on line 34