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', '49874eb18bfc0cf4d6d42e005288d56f', '216.73.216.3', '1766627960', '1766627960', '/product_info.php/info/p1758_Timor-Leste-2-Satellite-Image.html')

[XT SQL Error]