Fatal error: Uncaught Error: Call to undefined function esc_url() in /home/malvernj/public_html/wp-content/plugins/event-tickets/src/admin-views/seating/components/maps/empty.php:14 Stack trace: #0 {main} thrown in /home/malvernj/public_html/wp-content/plugins/event-tickets/src/admin-views/seating/components/maps/empty.php on line 14