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', 'c88174ff1c09cb0aeed114dd15c9ac01', '216.73.216.44', '1768554397', '1768554397', '/product_info.php/info/p1514_Brazil-Satellite-Image.html')

[XT SQL Error]