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', '95cabfb598035a7e6d8bd890f72da602', '3.135.183.187', '1714029409', '1714029409', '/account.php?XTCsid=7e0b503625393bfa750f9a995afb0aa8')

[XT SQL Error]