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', 'c12c15c65901aeab8d00398a0952b919', '216.73.216.188', '1770023068', '1770023068', '/product_info.php/info/p1520_Argentina-Satellite-Image.html')

[XT SQL Error]