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', 'm63tfd1cd8hua5s29n0d29sba2', '18.119.131.72', '1713979530', '1713979530', '/login.php?XTCsid=m63tfd1cd8hua5s29n0d29sba2')

[XT SQL Error]