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', 'bc4cdfdeb0290103987ce80e4909c29e', '3.139.82.23', '1713618560', '1713618560', '/shop_content.php?coID=9&XTCsid=3a57a77cceb215ec6cb91829f992c301')

[XT SQL Error]