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', '3bd204b5ee7b8be14deb2866c0e18eeb', '216.73.216.121', '1751971401', '1751971401', '/product_info.php/info/p2641_Ethiopia-Relief-Map.html')

[XT SQL Error]