Fatal error: Uncaught Error: Call to undefined function do_action() in /home/clmepl5/public_html/web/app/plugins/the-events-calendar/src/views/list/title-bar.php:18 Stack trace: #0 {main} thrown in /home/clmepl5/public_html/web/app/plugins/the-events-calendar/src/views/list/title-bar.php on line 18