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Error: configuration problem (reported by the radios' troubleshooting system)
The Icecast broadcasting software that we use is able to broadcast streams even if they don't correspond to the requested settings.
Some listening software, including our Flash player, also manage to play streams which are incorrectly set (AAC format instead of mp3 for example).
But other software programs (iTunes) are more restrictive. Use the guide and check your stream settings.
Link to this FAQ: