Fatal error: Uncaught Error: Call to undefined method application\controllers\front\MainController::Qna() in /home/apgk/html/application/controllers/front/Controller.class.php:19 Stack trace: #0 /home/apgk/html/application/libs/Application.class.php(34): application\controllers\front\Controller->__construct() #1 /home/apgk/html/index.php(20): application\libs\Application->__construct() #2 {main} thrown in /home/apgk/html/application/controllers/front/Controller.class.php on line 19