Fatal error: Uncaught Error: Class 'Tribe\Tickets\Migration\Queue' not found in /home/malvernj/public_html/wp-content/plugins/event-tickets/src/Tribe/Migration/Queue_4_12.php:19 Stack trace: #0 {main} thrown in /home/malvernj/public_html/wp-content/plugins/event-tickets/src/Tribe/Migration/Queue_4_12.php on line 19