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', 'cq6soabvl3tjg6f1em6ks68u47', '52.90.211.141', '1711624136', '1711624136', '/login.php?XTCsid=cq6soabvl3tjg6f1em6ks68u47')

[XT SQL Error]