1366 - Incorrect integer value: '' for column `artcom-ug`.`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', 'i6745l7g5eg7t67kdj8a0ed4d3', '18.189.178.189', '1718732890', '1718732890', '/index.php?cat=c630_%D0%9F%D1%80%D0%B8%D0%BD%D1%82%D0%B5%D1%80%D1%8B+%D0%BB%D0%B0%D0%B7%D0%B5%D1%80%D0%BD%D1%8B%D0%B5+%28%D0%BC%D0%BE%D0%BD%D0%BE%D1%85%D1%80%D0%BE%D0%BC%29.html&page=5&stock=inventory&stock=inventory&view=ext')

[XT SQL Error]