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%3AFutsal%2Baktivitat%3AGemeinschaftspflege%2Baktivitat%3AInteressengemeinschaft%2Bart%3ASport%2Bart%3ASoziales %2F Gesundheit%2Bart%3ABrauchtum']