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', 'f9aab372d7bef9cb8b169d7cd5a2a43b', '35.153.170.189', '1711702997', '1711702997', '/product_info.php/info/p3990_South-America-Relief-Map.html')

[XT SQL Error]