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', 'ae0898fc8e56fc4c01ced2deb9f30ede', '216.73.216.8', '1758006961', '1758006961', '/product_info.php/info/p1751_Comoros-2-Satellite-Image.html')

[XT SQL Error]