400 Bad Request

The server could not comply with the request since it is either malformed or otherwise incorrect.

Cannot decode URL parameter keywords: ['sportangebot%3AAllround%2Bsportangebot%3AGymnastik und Tanz%2Bsportangebot%3ARadsport%2Bsportart%3AWassersport%2Bsportart%3ARh%C3%B6nrad']