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', '8c9cd3fa22f89d222f9bece9951b038b', '18.191.46.36', '1713861048', '1713861048', '/index.php/language/de/cat/c35_Laender.html/page/1')

[XT SQL Error]