Starting business network definition. This may take a minute...
Error: Error trying to start business network. Error: No valid responses from any peers.
Response from attempted peer comms was an error: Error: 2 UNKNOWN: chaincode error (status: 500, message: is not a valid endorsement system chaincode)
Response from attempted peer comms was an error: Error: 2 UNKNOWN: chaincode error (status: 500, message: is not a valid endorsement system chaincode)
Response from attempted peer comms was an error: Error: 2 UNKNOWN: chaincode error (status: 500, message: is not a valid endorsement system chaincode)
Response from attempted peer comms was an error: Error: 2 UNKNOWN: chaincode error (status: 500, message: is not a valid endorsement system chaincode)
Command failed
请帮我解决作曲家中的此错误。
当您拥有 Composer v0.20 并尝试使用 Fabric 1.1 时，通常会看到此错误。 对于 Composer v0.20，您需要使用 Fabric 1.2 或 Fabric 1.2.1。 本文档显示 Composer 和兼容结构版本的版本。
如果您需要有关删除 Fabric 1.1 和安装 Fabric 1.2.1 的详细说明，则本期中的一条评论涵盖了这些步骤。