title: Can't run npm install as it does not contain a package.json file
body: <p>Here is my story: I wanted to upgrade my local @angular-cli version. I did it and it caused a lot of problems (Cannot find module '@angular/compiler-cli/ngcc' etc.), because of that, I tried many different ways to solve the problem, but it didn't work. Then I moved to another project and when I run <code>ng serve</code> it had a problem about Node Sass. I tried to solve it but now it says 
  <code>The serve command requires to be run in an Angular project, but a project definition could not be found.</code></p>
  
  <p>And I cannot run <code>npm install</code> as it says:
  Could not install from "node_modules/base-env/resolve-file@github:jonschlinkert/..." as it does not contain a package.json file.</p>
  
  <p>How on earth can I solve this problem?</p>