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%3AAttalens%2Bmunicipalities%3AOron-la-Ville%2Bperiod_ids%3A249f9f0d9af341829aab6b7108f8aabb%2Btags%3ANature%2Bweekdays%3A1%2Bweekdays%3A5%2Bvolunteers%3ATrue']