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', 'ac6a1b8f3c62e98f7e3c2bee750f68bf', '216.73.216.143', '1762542476', '1762542476', '/product_info.php/language/en/info/p3980_Afrika-Satellitenbild.html')

[XT SQL Error]