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', '7c8c35301ed9d049420753b13dd2f724', '3.135.200.211', '1713528745', '1713528745', '/shop_content.php?coID=9&XTCsid=865ed233708c13d8294a9cd1f6a7eff1')

[XT SQL Error]