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', '587eeb4a9c185b4b6e623492159b44bc', '3.133.144.217', '1713560013', '1713560013', '/shop_content.php?coID=2&XTCsid=7593f4da55114442760e17ad10225a85')

[XT SQL Error]