Not really enough information here to be of significant help. I’d certainly try a reboot of the router, followed by a reboot of the Sonos speakers, but that’s just a guess. If that doesn’t work, 

I would recommend that you submit a system diagnostic within 10 minutes of experiencing this problem, and call Sonos Support to discuss it. Don’t post the resulting diagnostic number here, they get sensitive about GDPR.

There may be information included in the diagnostic that will help Sonos pinpoint the issue and help you find a solution.

When you speak directly to the Support staff, they have tools at their disposal that will allow them to give you advice specific to your network and Sonos system.

I think I have the same problem and was on with Sonos support for 45+ mins last week to no avail. 

When I try to start a station on Apple Music after clicking the 3 dot menu on a song, I get the above error message OP referenced. This is true regardless of where I am in the app (3 dot menu on song from album vs 3 dot menu in player, etc.). This happens across all devices I use to interface with Sonos - 2x Android phones, iPhone, Chromebook - all with the latest OS and app version. 

I restarted the system, router, apps, changed app permissions (e.g. enabling location), cleared app cache at the direction of the support person but nothing changed the behavior. I sent diagnostics and logs but they couldn't help me and it felt like they were shooting in the dark. 

I'd guess this is an S2 app/Sonos connectivity/integration issue as it worked weeks ago and neither my network nor system changed. Plus, I use the S1 app with an older system on the same network and can this feature with no problem, like always. 

​@NiceShot 

FYI, I’m having no issue with Apple Music on Sonos. Although I’m not running a Split System (S1/S2)

What’s in Blue below is actually a link. However, I’ve C/P’d the important info to save you time 

Known limitations with separate S1 and S2 Sonos systems

Music services

Stream limitations

• For music services with single stream limitations, like Spotify, playback can only be initiated on one system at a time using the same music service. For example, if you begin playing Spotify on your S2 system, playing from the same Spotify account on your S1 system will stop playback on your S2 system.
• Music from the same service can be played to both Sonos systems if you add separate accounts to each one. For some services, this includes different users under one account, like a family plan.

Direct control

• Services that support direct control will show all S1 and S2 system rooms in their respective apps. For services with single stream limitations, playback can only be initiated to one system or room at a time.

Thanks for the reply. Apple Music (I'm on the family plan for multiple devices simultaneously, by the way) is "working" - only the start station option from a song is suddenly not working on S2. I can stream music to both systems via Apple Music at the same time right now - just double-checked.

I wish that's all it was - some S1/S2 conflict - but unfortunately, it's specific to the S2 app communication with Apple Music and a very recent problem.

​@NiceShot m

Thanks for the reply. I’ve played music from every option available in Apple Music with no issue. So I must not understand what you mean by “start station” option. Can you post a screenshot of what you’re calling “start station”.

Start Station

​@NiceShot 

I followed everything by the numbers (so to speak). Tapping “Start Station” worked for me. Follow my screen shots below. But first…..

I’ll have to go back to my original hypotheses that there is a a conflict of sorts between S1/S2 systems as suggested in the Sonos notes in my previous post. Just guessing ….but as the S2 (Sonos App) evolves it may introduce new conflicts between running S1/S2 systems. I’m not 100%positive; but it’s all I can think of at the moment. Only a Sonos engineer can say for sure.

IMO it’s Kind’a like not being able to run Windows 11 apps on Windows 10 which may have been possible at some point; but as the apps evolve they leave older systems (OS) behind. 

If you didn’t reveal to that you were running S1/S2 systems to Sonos Tech Support It may be worth contacting them again. At very least to let them know it works for another community member. They may try to duplicate the issues as I have. They may also ask for screen shots and/or an upload of a video. They can also share your screen to see what happens in real time.

On to the screen shots….

Notice that in the “Now Playing” box there is a different artist

Performed  search for Pearl Jam

 Selected “Falling Down” as the Track

 Tapped the three dots (...)

Tapped “Start Station”

Notice the “Now Playing” box shows a different artist pulled from the “Station”

I'm envious :)

Doesn't work for me or OP, apparently. Support person I spoke with knew I was running S1 as well and it didn't seem to factor in. Plus, this had been working for months and just recently stopped. 

​@NiceShot 

Don’t be envious .. call Sonos Tech Support again and let them know that it works for some and not you. BTW...check my post again as I added some additional notes regarding what Sonos Tech can do.

Good Luck to get your issues resolved. 

P.S. I wonder if the other OP is running a split system 

​@AjTrek1 

I really appreciate your follow through on this and the insight. I'll be honest, I don't see how or why there would be an S1/S2 conflict. All the app should be doing is reaching out to Apple Music to get the playlist of similar artists, regardless of which app I'm using. As mentioned, it's working on S1 and not working on S2 so I know it's nothing about my network's ability to connect with Apple. 

I'm not going to devote more time to this - Sonos tech had NO idea when I called in - but I'll closely monitor the forums for potential resolutions, other people facing similar challenges and hope there's an updated app soon. 

Thanks again!

To close the loop here, I spoke with Sonos support again, went through more troubleshooting, and this has been identified as a bug. Their engineers are working to resolve it. 

Glad you got resolution…sort of

Same issue; I hope a patch is launched soon.

Same issue for nearly 2 moths already..

Tried re-linking, rebooting and all. Full S2 system.

https://www.reddit.com/r/sonos/s/HeInKTa1rs

Just spoke with Sonos rep. I use S2 from my Android phone (Samsung 25) and rep stated Apple no longer supports the “create station” feature. You have to manually create a playlist… 

However, I am able to generate and play a “station” within the apple service on S2 from my desktop - let me know if this alternative works.