Audirvana does not find the upnp devialet media

Hello

I have just upgraded my stereo Devialet phantom silver speakers with the new application devailet DOS 2. Since audirvana does not find the upnp devialet stereo device whereas it was working with the previous spark app.
Please can you help me?

My system is
Audirvana Mac Version 3.5.29 (3559)
macOS 10.14.6 with 16384MB RAM

Search this forum, you’ll find instructions what you need to do.