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', '172e5a92c9032b6b1747e23c13be9f97', '18.219.28.179', '1714071403', '1714071403', '/popup_content.php?coID=1&XTCsid=7e0b503625393bfa750f9a995afb0aa8')

[XT SQL Error]