400 Bad Request

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

Cannot decode URL parameter keywords: ['aktivitat%3ATurnen%2Baktivitat%3ALaufen%2Baktivitat%3AFussball%2Baktivitat%3APartnergemeinde%2Baktivitat%3ASchwingen%2Bart%3ASprachf%C3%B6rderung%2Bart%3ASport']