title: Fatal Error When starting network
body: <p>I am following this tutorial <a href="https://hyperledger-fabric.readthedocs.io/en/latest/build_network.html" rel="nofollow noreferrer">https://hyperledger-fabric.readthedocs.io/en/latest/build_network.html</a> Where i have successfully generated my channel by using ./byfn.sh -m generate / up Now trying to start the network by using </p>
  
  <pre><code># command: /bin/bash -c './scripts/script.sh ${CHANNEL_NAME}; sleep $TIMEOUT'
  </code></pre>
  
  <p>I have faced following error :</p>
  
  <pre><code>Channel name : mychannel
  Creating channel...
  panic: Fatal error when initializing core config : Error when reading core config file: 
          Unsupported Config Type ""goroutine 1 [running]:panic(0xbb8400, 0xc0421fd4b0)
          /opt/go/go1.7.linux.amd64/src/runtime/panic.go:500
          +0x1afmain.main()/w/workspace/fabric-binaries-x86_64/gopath/src/github.com/
                    hyperledger/fabric/peer/main.go:94 +0x859
  !!!!!!!!!!!!!!! Channel creation failed !!!!!!!!!!!!!!!!
  ========= ERROR !!! FAILED to execute End-2-End Scenario ===========
  </code></pre>