Fatal error: Uncaught Error: Class "WP_Background_Process" not found in /home/workings/public_html/hidden/wp-content/plugins/the-events-calendar/common/src/Tribe/Process/Queue.php:10 Stack trace: #0 {main} thrown in /home/workings/public_html/hidden/wp-content/plugins/the-events-calendar/common/src/Tribe/Process/Queue.php on line 10