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', '66870c2100fdbf801e631a67dc1280f6', '18.119.107.96', '1714068000', '1714068000', '/shop_content.php?coID=9&XTCsid=12ab6c593489deceb1c19806497af77d')

[XT SQL Error]