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', '16956aebb924ef1abc685e9df427db47', '216.73.216.164', '1767732262', '1767732262', '/product_info.php/info/p1543_Niger-Satellite-Image.html')

[XT SQL Error]