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', 'c79816f08d508b0ac6deefc0e279ea31', '18.116.63.236', '1713898638', '1713898638', '/index.php/cat/c30_Countries.html/page/1')

[XT SQL Error]