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%3AInteressengemeinschaft%2Baktivitat%3ABadminton%2Baktivitat%3AGesellschaftspflege%2Baktivitat%3AVolleyball%2Baktivitat%3AWohnen%2Baktivitat%3AKinderbetreuung']