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', '7c3a18e5cb4cc746786d4650b03fd7d1', '216.73.216.44', '1768693767', '1768693767', '/product_info.php/info/p3328_Bahrain-Relief-Map.html')

[XT SQL Error]