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%3AFutsal%2Baktivitat%3AFahrradfahren%2Baktivitat%3AJungwacht %26 Blauring%2Baktivitat%3ALaufen%2Baktivitat%3ASport%2Bart%3ASprachf%C3%B6rderung%2Bart%3AKultur%2Bart%3ABrauchtum']