Fatal error: Uncaught Error: Call to undefined function add_action() in /home/athpfkmy/public_html/resinpro.pl/wp-content/plugins/affiliate-wp/includes/admin/class-menu.php:25 Stack trace: #0 /home/athpfkmy/public_html/resinpro.pl/wp-content/plugins/affiliate-wp/includes/admin/class-menu.php(123): Affiliate_WP_Admin_Menu->__construct() #1 {main} thrown in /home/athpfkmy/public_html/resinpro.pl/wp-content/plugins/affiliate-wp/includes/admin/class-menu.php on line 25