400 Bad Request

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

Cannot decode URL parameter filter: ['municipalities%3ATh%C3%B6rishaus%2Bperiod_ids%3A306537585ae3415594f9d4d8f5def940%2Bweekdays%3A1%2Bweekdays%3A5%2Bvolunteers%3ATrue']