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', '4dd0c51f0592fb8f17511d386dd4b727', '3.15.5.183', '1713523330', '1713523330', '/shop_content.php?coID=3&XTCsid=7e0b503625393bfa750f9a995afb0aa8')

[XT SQL Error]