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', '83161b0b8f03a03c4c09f6b623e07987', '216.73.216.191', '1758181926', '1758181926', '/product_info.php/info/p1800_Franzoesisch-Polynesien-3-Satellitenbild.html')

[XT SQL Error]