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', '9d7a5a5a8e8ed45914cf4fca65541ddf', '216.73.216.8', '1758032552', '1758032552', '/product_info.php/info/p1744_Bahrain-Satellite-Image.html')

[XT SQL Error]