Fatal error: Uncaught Error: Call to undefined function add_action() in /home/stor2162/public_html/wp-content/plugins/wishlist-member/integrations/payments/plugnpaid/handler.php:12 Stack trace: #0 /home/stor2162/public_html/wp-content/plugins/wishlist-member/integrations/payments/plugnpaid/handler.php(193): WLM_INTEGRATION_PLUGNPAID->__construct() #1 {main} thrown in /home/stor2162/public_html/wp-content/plugins/wishlist-member/integrations/payments/plugnpaid/handler.php on line 12