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', '07ngc7kgfvk7gnsevlqtmec924', '18.116.87.60', '1718724999', '1718724999', '/shopping_cart.php?cat=c681_%D0%9E%D0%BF%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8%D0%B5.html&page=1&stock=all&view=list')

[XT SQL Error]