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', '25b1e8dd3c9d9068ff11e2f805e092b6', '216.73.216.20', '1772074987', '1772074987', '/product_info.php/info/p1608_Tajikistan-Satellite-Image.html')

[XT SQL Error]