Here seems to be a reason that I dont understand: "reason": "invalid input: (root): Must validate one and only one schema (oneOf),transcription_config.additional_vocab.0: Must validate one and only one schema (oneOf),transcription_config.additional_vocab.0.sounds_like: Array must have at least 1 items,transcription_config.additional_vocab.1: Must validate one and only one schema (oneOf),transcription_config.additional_vocab.1.sounds_like: Array must have at least 1 items,transcription_config.additional_vocab.2: Must validate one and only one schema (oneOf),transcription_config.additional_vocab.2.sounds_like: Array must have at least 1 items"