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', '1f2b21da28983c2bd6f40e285c206eb4', '216.73.216.8', '1757781127', '1757781127', '/product_info.php/info/p1798_Cape-Verde-8-Satellite-Image.html')

[XT SQL Error]