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', 'b1ce802508c6cd3f9a41e43f8e5e6de0', '216.73.216.145', '1760369828', '1760369828', '/product_info.php/info/p1693_Jan-Mayen-Satellite-Image.html')

[XT SQL Error]