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', '3a5d12768e11b2cf8fab7f7b833bb83b', '216.73.216.191', '1758208210', '1758208210', '/product_info.php/info/p3108_Algeria-Relief-Map.html')

[XT SQL Error]