About configtx.yaml MaxUniqueKeys

[yqcong]

Hi, I tried to set MaxUniqueKeys: 1024 in configtx.yaml,but encountered some trouble,can you help @RUAN0007

• configtxgen -profile TwoOrgsOrdererGenesis -outputBlock ./channel-artifacts/genesis.block
  2021-10-28 15:56:15.701 CST [common/tools/configtxgen] main -> WARN 001 Omitting the channel ID for configtxgen is deprecated. Explicitly passing the channel ID will be required in the future, defaulting to 'testchainid'.
  2021-10-28 15:56:15.701 CST [common/tools/configtxgen] main -> INFO 002 Loading configuration
  2021-10-28 15:56:15.705 CST [common/tools/configtxgen/localconfig] Load -> CRIT 003 Error unmarshaling config into struct: 2 error(s) decoding:

• 'Orderer.BatchSize' has invalid keys: MaxUniqueKeys
• 'Profiles[TwoOrgsOrdererGenesis].Orderer.BatchSize' has invalid keys: MaxUniqueKeys