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', 'bab4ff0a5dfd0a3ac2a7936c72ac1085', '3.144.17.45', '1713447610', '1713447610', '/product_info.php/language/de/refID/1/info/p4019_3D-Reliefkarten-Konfigurator.html')

[XT SQL Error]