Fatal error: Uncaught Error: Call to undefined function add_action() in /home/worx/public_html/domains/worxgroup.net/public_html/wp-content/plugins/woocommerce-gravityforms-product-addons/gravityforms-product-addons-main.php:41 Stack trace: #0 /home/worx/public_html/domains/worxgroup.net/public_html/wp-content/plugins/woocommerce-gravityforms-product-addons/gravityforms-product-addons-main.php(18): WC_GFPA_Main->__construct() #1 /home/worx/public_html/domains/worxgroup.net/public_html/wp-content/plugins/woocommerce-gravityforms-product-addons/gravityforms-product-addons-main.php(593): WC_GFPA_Main::register() #2 {main} thrown in /home/worx/public_html/domains/worxgroup.net/public_html/wp-content/plugins/woocommerce-gravityforms-product-addons/gravityforms-product-addons-main.php on line 41