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', '835356c80920d3dec93987f7afcae44b', '216.73.216.143', '1762469789', '1762469789', '/product_info.php/info/p1564_Japan-Honshu-Satellite-Image.html')

[XT SQL Error]