Hello @fredlar, welcome to the Sonos Community!
I am sorry to hear you are experiencing an issue playing the Sveriges Radio P1 station on your Sonos System.
I was able to play that radio station using the myTuner Radio service via the Sonos App. What radio service are you using? Are you able to play a different radio station?
I would suggest a network connection refresh by rebooting all network devices involved starting with your Router → Sonos → Controller (smartphone/tablet).
If you are still unable to listen to Sveriges Radio P1, I would recommend you Submit Diagnostics within 10 minutes of trying and failing and then reach out to our Support Team for some live troubleshooting.
I hope this helps.
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