400 Bad Request

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

Cannot decode URL parameter keywords: ['weitere_infos_sprache_in_der_kinderbetreuung%3AAndere%2Bweitere_infos_sprache_in_der_kinderbetreuung%3AFranz%C3%B6sisch%2Bweitere_infos_freie_platze%3ANein']