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', '8dd9a1091fb27905395ca8ad5214142d', '3.135.195.249', '1714089719', '1714089719', '/shop_content.php?coID=2&XTCsid=865ed233708c13d8294a9cd1f6a7eff1')

[XT SQL Error]