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', 'b187793908f365cbb65ca23cfc6142ce', '18.116.40.53', '1714091867', '1714091867', '/index.php/language/de/cat/c30_Countries.html/page/8')

[XT SQL Error]