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', '1718725000', '1718725000', '/shopping_cart.php?cat=c428_PCI-E%20NVidia%20Geforce%205%D0%A5%D0%A5.html&page=6&stock=all&view=ext')

[XT SQL Error]