Fatal error: Uncaught Error: Call to undefined function add_query_arg() in /home/scriptse/public_html/hostingdir/wp-content/plugins/easy-digital-downloads-pro/includes/admin/views/tmpl-order-item.php:12 Stack trace: #0 {main} thrown in /home/scriptse/public_html/hostingdir/wp-content/plugins/easy-digital-downloads-pro/includes/admin/views/tmpl-order-item.php on line 12