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', '4f55e89d2948e33557a6c64c35df2ebb', '35.168.113.248', '1711717875', '1711717875', '/shop_content.php?coID=3&XTCsid=7541ba64dfef2679c790315e735061c1')

[XT SQL Error]