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', '4ffd1c49e939470dba262fb7b8e2cad7', '216.73.216.116', '1752304838', '1752304838', '/product_info.php/info/p1604_Burkina-Faso-Satellitenbild.html')

[XT SQL Error]