Fatal error: Uncaught Error: Interface 'EEI_Line_Item_Display' not found in /srv/disk5/4028052/www/justthetick.et/events/wp-content/plugins/eea-multi-event-registration/EE_Event_Cart_Line_Item_Display_Strategy.php:11 Stack trace: #0 {main} thrown in /srv/disk5/4028052/www/justthetick.et/events/wp-content/plugins/eea-multi-event-registration/EE_Event_Cart_Line_Item_Display_Strategy.php on line 11