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', '1718724998', '1718724998', '/shopping_cart.php?cat=c361_HD%20%D0%BC%D0%B5%D0%B4%D0%B8%D0%B0%D0%BF%D1%80%D0%BE%D0%B8%D0%B3%D1%80%D1%8B%D0%B2%D0%B0%D1%82%D0%B5%D0%BB%D0%B8.html&page=2&stock=all&view=ext')

[XT SQL Error]