Fatal error: Uncaught Error: Class 'TEC\Common\StellarWP\Models\DataTransferObject' not found in /home/malvernj/public_html/wp-content/plugins/event-tickets/src/Tickets/Flexible_Tickets/Data_Transfer_Objects/Ticket_Group_DTO.php:22 Stack trace: #0 {main} thrown in /home/malvernj/public_html/wp-content/plugins/event-tickets/src/Tickets/Flexible_Tickets/Data_Transfer_Objects/Ticket_Group_DTO.php on line 22