Fatal error: Uncaught Error: Call to undefined function add_query_arg() in /srv/disk5/4028052/www/justthetick.et/events/wp-content/plugins/easy-digital-downloads/includes/admin/views/tmpl-order-item.php:12 Stack trace: #0 {main} thrown in /srv/disk5/4028052/www/justthetick.et/events/wp-content/plugins/easy-digital-downloads/includes/admin/views/tmpl-order-item.php on line 12