Fatal error: Uncaught Error: Call to undefined function tribe_installed_before() in /home/malvernj/public_html/wp-content/plugins/event-tickets/src/admin-views/tribe-options-display.php:6 Stack trace: #0 {main} thrown in /home/malvernj/public_html/wp-content/plugins/event-tickets/src/admin-views/tribe-options-display.php on line 6