Fatal error: Uncaught Error: Call to undefined function add_action() in /home/athpfkmy/public_html/resinpro.pl/wp-content/plugins/affiliate-wp/includes/admin/ajax-actions.php:121 Stack trace: #0 {main} thrown in /home/athpfkmy/public_html/resinpro.pl/wp-content/plugins/affiliate-wp/includes/admin/ajax-actions.php on line 121