title: Fall in error after installing node-sass file
body: <p>i am trying to run ionic serve with a new project but i keep on falling with this error</p>
  
  <p><a href="https://i.stack.imgur.com/8siuJ.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/8siuJ.png" alt="enter image description here"></a></p>
  
  <p>so i tried the following </p>
  
  <ol>
  <li>Removed node module folder and run <code>sudo npm install</code>.</li>
  <li><code>npm cache clean</code></li>
  <li><code>sudo npm install gulp-cli</code></li>
  </ol>
  
  <p>Tried with the above could some one say where i am wrong 
  I started with <code>ionic start fileName blank</code></p>
  
  <p>my config are</p>
  
  <ul>
  <li>ionic (Ionic CLI)             : 4.12.0 (/usr/local/lib/node_modules/ionic</li>
  <li>Ionic Framework               : @ionic/angular 4.1.1</li>
  <li>@angular-devkit/build-angular : 0.13.6</li>
  <li>@angular/cli                  : 7.3.6</li>
  <li>@angular-devkit/schematics    : 7.2.4</li>
  <li>@ionic/angular-toolkit        : 1.4.0</li>
  </ul>
  
  <p>System:</p>
  
  <ul>
  <li>NodeJS : v10.11.0 (/usr/local/bin/node)    </li>
  <li>npm    : 6.4.1    </li>
  <li>OS     : macOS Mojave</li>
  </ul>
  
  <p>please someone help me to solve this issue</p>