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', '0af98cc1e6f4c25f6a052c3b268e49c9', '216.73.216.110', '1768374172', '1768374172', '/product_info.php/info/p1777_Cape-Verde-4-Satellite-Image.html')

[XT SQL Error]