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', '987b39e92d354f8cf586d98dedbf5808', '216.73.216.191', '1758203241', '1758203241', '/product_info.php/language/en/info/p1581_Oman-Satellite-Image.html')

[XT SQL Error]