1366 - Incorrect integer value: '' for column `shop_db3`.`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', '7ac1b46fa82c193738fa37ed43da3c6e', '3.128.203.143', '1713594972', '1713594972', '/products_new.php?XTCsid=18ef4d570fc05d4799b5475265fad7ac')

[XT SQL Error]