400 Bad Request

The server could not comply with the request since it is either malformed or otherwise incorrect.

Cannot decode URL parameter keywords: ['art%3Afachtechn. verantwortliche Person%2Babgabeort%3ARotkreuz%2Babgabeort%3AWalchwil%2Babgabeort%3ANeuheim%2Babgabeort%3ABaar%2Babgabeort%3AAllenwinden%2Babgabeort%3ASteinhausen']