1366 - Incorrect integer value: '' for column `mapshopatlogis`.`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', '8d26e9cff61caec9c8de296a55e5aaf1', '18.97.9.168', '1750759641', '1750759641', '/product_info.php/info/p2846_Satellitenbild-Poster-Konfigurator.html?refID=2')

[XT SQL Error]