1366 - Incorrect integer value: '' for column `pella-ware`.`whos_online`.`customer_id` at row 1

insert into whos_online (customer_id, full_name, session_id, ip_address, time_entry, time_last_click, last_page_url) values ('', 'Guest', 'v4da3uah8kb78jm0odgh3bkso4', '3.17.110.162', '1713458925', '1713458925', '/login.php?XTCsid=v4da3uah8kb78jm0odgh3bkso4')

[XT SQL Error]