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', 'fjb8hg64t4kaf5f36ovqmeobl1', '18.204.42.89', '1711687824', '1711687824', '/login.php?XTCsid=fjb8hg64t4kaf5f36ovqmeobl1')

[XT SQL Error]