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%3AGrasswil%2Bmunicipalities%3ALyssach%2Bperiod_ids%3A7625122f6ca04575b52255eab6c42c9e%2Btags%3AMuseums%2Btags%3ASightseeing%2Bweekdays%3A1%2Bweekdays%3A3%2Bweekdays%3A4%2Bweekdays%3A6']