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', '9c7afdd4df8f52263db74412ed7c5678', '18.226.169.94', '1714011192', '1714011192', '/shop_content.php?coID=9&XTCsid=26fedc8b3cbf5330d12a051fef4e732f')

[XT SQL Error]