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', 'f589e02f8a69191dcdcfb57d2f6a11b6', '3.15.226.173', '1714082395', '1714082395', '/shop_content.php?coID=8&XTCsid=f88a86bf4ffc9ff2be90f468933efb62')

[XT SQL Error]