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', 'u8s0ov7thnj5qpufg8rr3cb180', '18.219.22.169', '1713486123', '1713486123', '/login.php?XTCsid=u8s0ov7thnj5qpufg8rr3cb180')

[XT SQL Error]