1366 - Incorrect integer value: '' for column `shop_db3`.`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', 'a36a140507b982a30c583e0651deffd3', '18.226.251.68', '1714163107', '1714163107', '/password_double_opt.php?XTCsid=865ed233708c13d8294a9cd1f6a7eff1')

[XT SQL Error]