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', 'cf553968e84c1ec06798a298567cea9a', '3.144.187.103', '1713458429', '1713458429', '/shop_content.php?coID=1&XTCsid=18ef4d570fc05d4799b5475265fad7ac')

[XT SQL Error]