400 Bad Request

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

Cannot decode URL parameter filter: ['age_ranges%3A16-99%2Bage_ranges%3A10-10%2Bdateranges%3A2019-07-15%3A2019-07-21%2Bmunicipalities%3AGrasswil%2Bmunicipalities%3AR%C3%BCegsauschachen%2Bperiod_ids%3A17a3275dc50a471d80ea530a3db5d5d2%2Btags%3ASightseeing%2Bweekdays%3A3%2Bweekdays%3A6']