Fatal error: Uncaught Error: Call to undefined function add_action() in /home/pac84520/public_html/wp-content/plugins/wp-lister-ebay/templates/default-with-gallery/functions.php:40 Stack trace: #0 {main} thrown in /home/pac84520/public_html/wp-content/plugins/wp-lister-ebay/templates/default-with-gallery/functions.php on line 40