Fatal error: Uncaught Error: Class 'Tribe__Process__Handler' not found in /mysite/web/wp-content/plugins/the-events-calendar/common/src/Tribe/Process/Post_Thumbnail_Setter.php:16 Stack trace: #0 {main} thrown in /mysite/web/wp-content/plugins/the-events-calendar/common/src/Tribe/Process/Post_Thumbnail_Setter.php on line 16