title: After installed all the packages for angular it still show error when I run the "ng serve" command
body: <p>I have installed all the packages for angular as per the directions but still it show error when I run <code>ng serve</code> command.</p>
  
  <blockquote>
    <p>Cannot determine versions of "@angular/cli".
    This likely means your local installation is broken. Please reinstall your packages.</p>
  </blockquote>
  
  <p>When I check the version of <code>ng</code>, I can see there is some error with installation of some packages as you can see in screenshot. </p>
  
  <p><a href="https://i.stack.imgur.com/lkzye.png4" rel="nofollow noreferrer">Error Screenshot</a></p>
  
  <p>Please help me if someone faced this issue before.</p>