Fatal error: Uncaught Error: Call to undefined function add_action() in /home/adaptyo3/public_html/wp-content/plugins/metorik-helper/inc/carts.php:16 Stack trace: #0 /home/adaptyo3/public_html/wp-content/plugins/metorik-helper/inc/carts.php(984): Metorik_Helper_Carts->__construct() #1 {main} thrown in /home/adaptyo3/public_html/wp-content/plugins/metorik-helper/inc/carts.php on line 16