Fatal error: Uncaught Error: Class "TEC\Common\Admin\Abstract_Custom_List_Table" not found in /home/malvernj/public_html/wp-content/plugins/event-tickets-plus/src/Tickets_Plus/Waitlist/Admin/Waitlist_Subscribers_Table.php:23 Stack trace: #0 {main} thrown in /home/malvernj/public_html/wp-content/plugins/event-tickets-plus/src/Tickets_Plus/Waitlist/Admin/Waitlist_Subscribers_Table.php on line 23