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', 'b8959c432331b51e696ac39e801772e8', '216.73.216.191', '1758169169', '1758169169', '/product_info.php/info/p1830_Anguilla-Satellitenbild.html')

[XT SQL Error]