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%3AKinderbetreuung%2Baktivitat%3ALaufen%2Baktivitat%3AFasnachtsgesellschaft%2Baktivitat%3ATheater%2Baktivitat%3ASamichlaus%2Bart%3AJugend']