Fatal error: Uncaught Error: Call to undefined function add_action() in /home/mintcode/public_html/babski-swiat/wp-content/plugins/mega_main_menu/framework/init.php:16 Stack trace: #0 /home/mintcode/public_html/babski-swiat/wp-content/plugins/mega_main_menu/mega_main_menu.php(20): mega_main_init->__construct(Array) #1 {main} thrown in /home/mintcode/public_html/babski-swiat/wp-content/plugins/mega_main_menu/framework/init.php on line 16