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', 'bdhuf33oe8b5c92alunum9qc45', '18.216.249.66', '1718730253', '1718730253', '/index.php?cat=c376_%D0%93%D0%B0%D1%80%D0%BD%D0%B8%D1%82%D1%83%D1%80%D1%8B.html&page=1&stock=inventory&view=list')

[XT SQL Error]