Fatal error: Uncaught Error: Call to undefined function add_action() in /home/worx/public_html/domains/worxgroup.net/public_html/wp-content/plugins/woo-free-shipping-per-product/free-shippging-pre-product.php:159 Stack trace: #0 {main} thrown in /home/worx/public_html/domains/worxgroup.net/public_html/wp-content/plugins/woo-free-shipping-per-product/free-shippging-pre-product.php on line 159