1366 - Incorrect integer value: '' for column `creatihu_shop`.`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', 'e5feeeb850ce105a74b3d7296cd1ae49', '3.235.188.113', '1695600429', '1695600429', '/shop_content.php?coID=7')

[XT SQL Error]