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', 'dc36dc6ffbb01efffbc6b2f275f03cfd', '216.73.216.8', '1758092514', '1758092514', '/product_info.php/info/p1778_Die-Bahamas-10-Satellitenbild.html')

[XT SQL Error]