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', 'b55a59778bf2ada27da6fca6319e213c', '216.73.216.20', '1771725284', '1771725284', '/product_info.php?info=p1642_Suedkorea-Satellitenbild.html')

[XT SQL Error]