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', 'd493a6c25a03b3d6a4e8eea6cb250690', '18.117.153.38', '1713524655', '1713524655', '/shop_content.php?coID=9&XTCsid=1ac6c2897c9e1517fbc2b6cff40eabd3')

[XT SQL Error]