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', 'f779fbdcc7c9159043767321be774f55', '3.145.154.178', '1713491628', '1713491628', '/product_info.php?info=p318_.html')

[XT SQL Error]