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', '41966cee980d18b766f0bb910bb61136', '3.135.198.49', '1714098015', '1714098015', '/popup_content.php?coID=1&XTCsid=f88a86bf4ffc9ff2be90f468933efb62')

[XT SQL Error]