Fatal error: Uncaught Error: Call to undefined method CalendarController::convertMonthNameToNumber() in /var/www/nevnapok.hu/src/Controller/CalendarController.php:58 Stack trace: #0 /var/www/nevnapok.hu/src/Core/Router.php(49): CalendarController->showMonth() #1 /var/www/nevnapok.hu/public_html/index.php(86): Router->dispatch() #2 {main} thrown in /var/www/nevnapok.hu/src/Controller/CalendarController.php on line 58