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', '849f7c0282a8235eae586988868964c8', '3.133.159.224', '1713962598', '1713962598', '/shop_content.php?coID=7&XTCsid=842cd293d4e43dd66c33a18be5c47b55')

[XT SQL Error]