Fatal error: Uncaught Error: Class 'TEC\Common\Integrations\Plugin_Merge_Provider_Abstract' not found in /home/webadmin/public_html/wp-content/plugins/events-calendar-pro/src/Events_Pro/Integrations/Events_Virtual_Provider.php:21 Stack trace: #0 {main} thrown in /home/webadmin/public_html/wp-content/plugins/events-calendar-pro/src/Events_Pro/Integrations/Events_Virtual_Provider.php on line 21