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', 'da2bf99adb1bb3c1c449afdbc1517a2e', '3.144.97.189', '1714035703', '1714035703', '/shop_content.php?coID=2&XTCsid=3a57a77cceb215ec6cb91829f992c301')

[XT SQL Error]