Can't cast UPnP from Plex on NAS to network player

Issue description:

Hi,
Just started to try Symfonium but I’ve simply stuck with some problems from the very beginning…
The app is installed on my Galaxy A23, Android 14.

First of all, can’t cast UPnP from Plex (my own music collection) on my QNAP NAS to my network player Sonoro Maestro.
Everytime when I try to play some music from it an error message is popping up:
“Error while playing media, please make sure your…” (I can’t even know what I’m to make sure about because the error message is cut off).
And one second later the next error message: “Too many errors, playback paused”.

I have also tried casting UPnP to my network player Sonoro Maestro from Google Drive and then at least the UPnP casting was working but I’ve noticed that songs are being played twice and incorrect song’s titles are shown on Simfonium player.
More to this, when I came back to try Plex from NAS again not only aforementioned error messages popped up but also a song from Google Drive started to play by itself! Even though all queues were deleted!

Any suggestion what’s wrong here?

Logs:

Upload description: gs3 (it was 3 characters)

Additional information:

 

 

Reproduction steps:

 

 

Media provider:

Plex

Screenshots:

     

Your log is empty you are supposed to reproduce the issue :wink:

For 1) the device probably can’t understand the Plex certificate. Use proxy mode on the renderer settings.
For 2) as most of the time the device is probably badly implementing gapless disable it on the renderer settings.