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', 'h7881s15mdae5ige7uf5a9ddv3', '18.221.197.132', '1713606367', '1713606367', '/login.php?XTCsid=h7881s15mdae5ige7uf5a9ddv3')

[XT SQL Error]