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', '62b0b44921cf61a35a1eaf9cf8cf9037', '18.226.187.199', '1713494970', '1713494970', '/advanced_search.php?XTCsid=c369fbc9bc0a436cd7cf3685aed78598')

[XT SQL Error]