Error 404 on all Rooms

Good evening,
when I create or open a product created with Hotel, I get ERROR 404 (it happens with all rooms).
I tried to edit the permalinks na without success.
I’ll give you the credentials to log in and check:
website: https://whiteapartmentsandspa.com/white/wp-admin/
user:pippo
psw: Pippo123_*_

A thousand thanks.

Sure of your feedback.

Conrad