Problem with File Access Using WebDav and ActiveDirectory as Authentication

Greetings good morning everyone, I ask for your support because I can not access the files by WebDav using ActiveDirectory as authentication of users in Nextcloud. The installation of Nextcloud was through Snap.

When I try to log in I get the following message

This is the WebDAV interface. It can only be accessed by WebDAV clients such as the Nextcloud desktop sync client.

I use the following Connection String: