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', 'bd8764203d26c5b6e172a3d8ef9cb891', '3.15.5.183', '1713526863', '1713526863', '/redirect.php?action=product&id=248&XTCsid=7e0b503625393bfa750f9a995afb0aa8')

[XT SQL Error]