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', 'e4b90450c09ca8094296cb3c54fb6d3f', '216.73.216.115', '1761522080', '1761522080', '/product_info.php/info/p1609_Guinea-Satellitenbild.html')

[XT SQL Error]