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%3Afew%2Bmunicipalities%3AWallisellen%2Bmunicipalities%3AAffoltern a.A.%2Bperiod_ids%3Ab7ae1b61c6e648518a76b18d1adde074%2Btags%3AComputer%2Btags%3ATheater%2Btags%3ATrade%2Btags%3AExcursion']