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I’m having a similar issue. I did the Sonos app update a few days ago (version 12.1 for Mac, S2) and lost the ability to play Sirius. I went through and confirmed the account is working with Sirius, then removed and re-added the account in the Sonos app. When I try and play a station, I get the following error: “unable to play ‘x-sonosapi-hls:Api:tune:liveAudio:siriushits1: <redacted>’ - the connection to SiriusXM was lost”. Screenshot attached.