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', '9406ad0e0e0c05970a8b40f0dd5c23ca', '216.73.216.191', '1758144339', '1758144339', '/product_info.php/info/p436_3D-Satellitenbild-Konfigurator.html')

[XT SQL Error]