Fatal error: Uncaught Error: Call to undefined function add_action() in /home/oxygenco/prod/wordpress/wp-content/plugins/Ultimate_VC_Addons/woocomposer/modules/shortcode_product.php:23 Stack trace: #0 /home/oxygenco/prod/wordpress/wp-content/plugins/Ultimate_VC_Addons/woocomposer/modules/shortcode_product.php(423): Ultimate_VC_Addons_WooComposer_ViewProduct->__construct() #1 {main} thrown in /home/oxygenco/prod/wordpress/wp-content/plugins/Ultimate_VC_Addons/woocomposer/modules/shortcode_product.php on line 23