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%3AInlinehockey%2Baktivitat%3AFutsal%2Baktivitat%3AChor%2Baktivitat%3AQuartierverein%2Bart%3ASoziales %2F Gesundheit%2Bart%3ABrauchtum']