Fatal error: Uncaught Error: Class "WP_List_Table" not found in /home/malvernj/public_html/wp-content/plugins/event-tickets/src/Tickets/Commerce/Order_Modifiers/Table_Views/Order_Modifier_Table.php:35 Stack trace: #0 {main} thrown in /home/malvernj/public_html/wp-content/plugins/event-tickets/src/Tickets/Commerce/Order_Modifiers/Table_Views/Order_Modifier_Table.php on line 35