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', 'caaftfoijmmqs9qnthvotbpnd4', '3.143.244.83', '1713862514', '1713862514', '/login.php?XTCsid=caaftfoijmmqs9qnthvotbpnd4')

[XT SQL Error]