1366 - Incorrect integer value: '' for column `db160153`.`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', '3puu910j6glcdkfid37ebksns6', '3.137.180.32', '1714094815', '1714094815', '/Impressum:_:4.html?XTCsid=a1qbp0lu9ejk1fv7373a4hjt26')

[XT SQL Error]