title: Blockchain explorer: Error: Cannot find module
body: <p>While executing below command i am getting error:</p>
  
  <p>Command:</p>
  
  <pre><code>node main.js
  </code></pre>
  
  <p>Error:</p>
  
  <pre><code>module.js:550
  throw err;
  ^
  Error: Cannot find module 'fabric-client/lib/EventHub.js'
   at Function.Module._resolveFilename (module.js:548:15)
    at Function.Module._load (module.js:475:25)
  at Module.require (module.js:597:17)
  at require (internal/module.js:11:18)
  at Object.&lt;anonymous&gt; (/home/murugesan/Blockchain/fabric-explorer/app/query.js:21:16)
  at Module._compile (module.js:653:30)
  at Object.Module._extensions..js (module.js:664:10)
  at Module.load (module.js:566:32)
  at tryModuleLoad (module.js:506:12)
  at Function.Module._load (module.js:498:3)
  </code></pre>