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%3ATennis%2Baktivitat%3APartnergemeinde%2Baktivitat%3AViehz%C3%BCchtung%2Baktivitat%3APfadfinder%2Baktivitat%3AInlinehockey%2Baktivitat%3ASamichlaus']