400 Bad Request

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

Cannot decode URL parameter filter: ['available%3Amany%2Bdateranges%3A2019-04-15%3A2019-04-18%2Bmunicipalities%3AKaltbrunn%2Bperiod_ids%3A47aee87043764f1b9ddce7dca4daa534']