400 Bad Request

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

Cannot decode URL parameter filter: ['durations%3A4%2Bmunicipalities%3ASt. Gallen%2Bperiod_ids%3A99d58ff38ef641beaef9922381ebc0c1%2Btags%3ASightseeing%2Bweekdays%3A6']