title: throw new TypeError('The super constructor to "inherits" must not ' +
body: <p>I am trying to build my nodejs application. but i am always getting this error.</p>
  
  <pre><code>util.js:988
  throw new TypeError('The super constructor to "inherits" must not ' +
  ^
  
  TypeError: The super constructor to "inherits" must not be null or undefined
  at Object.inherits (util.js:988:11)
  at Object.&lt;anonymous&gt; (D:\CIDE-Backend\CIDE-BACKEND\node_modules\zetta\node_modules\spdy\lib\spdy\connection.js:86:6)
  at Module._compile (module.js:573:30)
  at Object.Module._extensions..js (module.js:584:10)
  at Module.load (module.js:507:32)
  at tryModuleLoad (module.js:470:12)
  at Function.Module._load (module.js:462:3)
  at Module.require (module.js:517:17)
  at require (internal/module.js:11:18)
  at Object.&lt;anonymous&gt; (D:\CIDE-Backend\CIDE-BACKEND\node_modules\zetta\node_modules\spdy\lib\spdy.js:20:19)
  at Module._compile (module.js:573:30)
  at Object.Module._extensions..js (module.js:584:10)
  at Module.load (module.js:507:32)
  at tryModuleLoad (module.js:470:12)
  at Function.Module._load (module.js:462:3)
  at Module.require (module.js:517:17)
  [nodemon] app crashed - waiting for file changes before starting...
  </code></pre>
  
  <p>i followed this <a href="https://github.com/nodeftpd/nodeftpd/issues/124" rel="nofollow noreferrer">solution</a> but still i am getting same error.</p>
  
  <p><code>my node version is 8.4.0</code></p>
  
  <p><code>my npm version is 5.5.1</code></p>
  
  <p>Can you tell me how can i solve this error.?</p>