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', '83179cc7f34c049624f2b0f4352ecbba', '3.144.187.103', '1713855399', '1713855399', '/product_info.php?info=p228_Auf-Wiedersehn.html&XTCsid=7449276e387898a36bd6271988bac6c7')

[XT SQL Error]