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%3AOron-le-Ch%C3%A2tel%2Bmunicipalities%3ALausanne %28Ouchy%29%2Bperiod_ids%3A41d315b8b9a74f6db3aa54a0ddfb5dfc%2Bvolunteers%3ATrue']