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Hi all, I’ve recently been dabbling with playing local FLAC files stored on a Synology NAS. I can add them to the Sonos App without a hitch, but have found that I can only get my older Symfonisk speakers to play. Newer ERA speakers give a “content is unavailable” error. I can group the Era speakers with the other speakers and they play fine. Also no problem with any of my streaming services. App works well apart from that with no lag. All speakers on wifi.  

Try forcing a software update, then verify all are on the same software version. That is in Settings  About your System,


Try forcing a software update, then verify all are on the same software version. That is in Settings  About your System,

Thanks for the reply, have already checked this, all devices are on the same latest firmware. When they are not I can’t group them anyway (which I can currently).


Time then for a diagnostic, recreate the problem, send the diagnostic and then call Sonos support to have it looked at.

No IKEA here but my 100s and 300s happily play my FLAC music.


Thanks mate, that’s definitely the plan, was just hoping I had missed something silly in the Synology settings. 


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