title: ng build run command is failing with the Error with Angular.json is not found
body: <p>Tried to update Angular cli,it's not working at all <a href="https://i.stack.imgur.com/dLt1f.png" rel="nofollow noreferrer">Error Image<a href="https://i.stack.imgur.com/dLt1f.png" rel="nofollow noreferrer">1</a></a>.Please Guid Me -how to resolve this</p>
  
  <pre><code>@angular-devkit/core         0.5.6
  @angular-devkit/schematics   0.5.6
  @angular/cli                 6.0.0-rc.4
  @ngtools/json-schema         1.1.0
  @schematics/angular          0.5.6
  @schematics/update           0.5.6
  rxjs                         5.5.10
  typescript                   2.8.3
  webpack                      2.7.0
  </code></pre>