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', '5cfbd9dba53514d9b8a040e31bc28c5e', '3.138.69.45', '1714091716', '1714091716', '/popup_content.php?coID=1&XTCsid=ae958f15bfdd7f280c3365e7be4f705d')

[XT SQL Error]