Client error: `GET https://api.rightsdesk.com/api/public/works/search?page=1&sort=created_at%3Adesc&size=30&channel=mohrbooks-neuerscheinungen&category=UMZW&contributor=87c7e727-7ef8-46c6-a9a3-d549ca8a99e4` resulted in a `401 Unauthorized` response:
{"message":"Unauthenticated."}