1366 - Incorrect integer value: '' for column `pella-ware`.`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', 'afaef5cbb47ee079781beb9d28cc585e', '3.142.174.55', '1714112065', '1714112065', '/login.php')

[XT SQL Error]