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', 'e1ed155bdf4d236c4e9e98dcf5cc38db', '216.73.216.198', '1752879157', '1752879157', '/product_info.php/info/p1811_Cape-Verde-6-Satellite-Image.html')

[XT SQL Error]