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我在IBM Bluemix上启动了hyperledger fabric starter实例。 我部署了Fabric Composer业务网络。我可以使用自动创建的管理凭证创建资产,参与者和交易。到现在为止还挺好。什么不起作用,但是为参与者发布身份。我得到下面的错误:无法在fabric fabric业务网络上为fabric bluemix实例发布标识
$ composer identity issue -n businessNetwork -p bluemixProfile -i admin -s 39631b62329d0 -u paul -a "org.notarynodes.businessNetwork.Person#paul"
2017-03-31T16:34:46.933Z ERROR HFCUtil
:createIdentity()
Register request failed
{"0":{"stack":["{Error}Invalid affiliation group institution_a Error:
Invalid affiliation group institution_a"," at
/usr/local/lib/node_modules/composer-cli/node_modules/grpc/src/node/src/client.js:417:17"]}}$
Error: Invalid affiliation group institution_a Command failed.
我该如何解决这个错误?