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', '581857a7383270d8451d98551289ee76', '44.204.65.189', '1711642499', '1711642499', '/shop_content.php?coID=1&XTCsid=c7f035e02971a7df32ae13cabef322ff')

[XT SQL Error]