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', '0a8a66b0d9b473e4d90955a1b49f3dc8', '18.226.187.199', '1713529439', '1713529439', '/popup_content.php?coID=1&XTCsid=a451af72c17a970910eac808a75b0ae1')

[XT SQL Error]