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%3AFussball%2Baktivitat%3AInlinehockey%2Baktivitat%3APolitische Partei%2Baktivitat%3AWakeboarding%2Bart%3AWirtschaft%2Bart%3ASport%2Bart%3AKultur']