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', '95fe726d8188e86c34295aba7e7de3c7', '18.226.93.207', '1713540015', '1713540015', '/index.php/cat/c30_Countries.html/page/8')

[XT SQL Error]