All my stations are gone and I can't create new ones, it just says:
"Sorry this radio station cannot be started.
Please try with something else"
Latest app on OSX.
Also having a similar issue.
Windows 7 64bit player.
Started this morning, can't listen to any of my playlist radio stations. I can however listen to artist radio just fine.
Try deleting all of your Radio stations.
After that, will your Playlist radio start and work with a different Playlist?