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', '90329e2ec5d9cba4f8b7c1db6b8e9591', '3.17.6.75', '1713979166', '1713979166', '/product_info.php/info/p1612_Malawi-Satellite-Image.html')

[XT SQL Error]