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', 'a676f1a0fc46580dcad2cf0f45fedd8a', '216.73.216.8', '1758061875', '1758061875', '/product_info.php/info/p2862_Algeria-Relief-Map.html')

[XT SQL Error]