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', '83914d910dcc026033efdd397f78b087', '3.138.175.180', '1714032293', '1714032293', '/advanced_search.php?XTCsid=865ed233708c13d8294a9cd1f6a7eff1')

[XT SQL Error]