Fatal error: Uncaught Error: Class 'TEC\Common\Integrations\Integration_Abstract' not found in /home/malvernj/public_html/wp-content/plugins/event-tickets/src/Tickets/Integrations/Integration_Abstract.php:16 Stack trace: #0 {main} thrown in /home/malvernj/public_html/wp-content/plugins/event-tickets/src/Tickets/Integrations/Integration_Abstract.php on line 16