Fatal error: Uncaught Error: Call to undefined function apply_filters() in /home/domains/thebrainhackcafe.com/public/wp-content/plugins/the-events-calendar/src/admin-views/settings/tabs/display/display-calendar.php:23 Stack trace: #0 {main} thrown in /home/domains/thebrainhackcafe.com/public/wp-content/plugins/the-events-calendar/src/admin-views/settings/tabs/display/display-calendar.php on line 23