Roon won't play music in Synoloy Music folder

I have been used Roon no problem with Synology DS718+ where Roon core installed and Music folder was. I recently upgrade Synology OS from DSM6.0 to DSM7.0.
After all installation completed, Roon scanned my local Music folder in Synology NAS successfully but I try to play a song Roon won’t play a song.

I give all read/write authority the Music folder to Roonserver in DSM7.0 through Internal System User.

Ironically, When I use Roon core with Mac mini then Synology DS718+, Roon play a song in Music folder in Synology NAS.

Above two cases, Roon play a song no problem with Tidal.

Is there any solution to play a song in Music folder with Roon core in Synology DS718+ at DSM7.0

I think it is a bug in Synology Roon-core at DSM7.0 version.

What’s the file type and did you install the codac?
I have the same setup and no issues.
How have you installed Roon?
Roon on NAS or in a docker?

Most file type I have is FLAC & ALAC.

And when DSM6.0, I remember that I did not install any CODAC and Roon play all song with no problem.

also I installed Roon through Christopher Rieke’s site(DSM7.0 version) and not in a docker.

I’m not an expert but i’d do the install and see if it resolves the issue.

https://johnvansickle.com/ffmpeg/

Extract the file and put it in the RoonServer bin folder

Also did you use the DSM7.0 package or just upgrade DSM?
https://roononnas.org/en/synology/

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