我已经按照http://hyperledger-fabric.readthedocs.io上的Hyperledger Fabric的安装和配置进行了操作，并完成了安装。当我尝试构建它时，出现错误。你能告诉我分辨率吗？
要构建Hyperledger Fabric：
cd $GOPATH/src/github.com/hyperledger/fabric
make dist-clean all
错误输出：
docker tag hyperledger/fabric-tools hyperledger/fabric-tools:x86_64-1.0.0-rc2-snapshot-4709b33
Checking committed files for SPDX-License-Identifier headers ...
The following files are missing SPDX-License-Identifier headers:
orderer/multichain/manager.go
orderer/multichain/manager_test.go
Please replace the Apache license header comment text with:
SPDX-License-Identifier: Apache-2.0
Makefile:111: recipe for target 'license' failed
make: *** [license] Error 1