title: An unhandled exception occurred: Cannot read property 'Minus' of undefined
body: <p>I uninstall and install the NPM using the command</p>
  <pre><code>npm install
  </code></pre>
  <p>and getting error after this
  I also tried</p>
  <pre><code>npm audit fix --force
  </code></pre>
  <p>after that the error come</p>
  <pre><code>An unhandled exception occurred: Cannot read property 'Minus' of undefined
  See &quot;/private/var/folders/8n/6vsx9lx93lx9wrgxm1q_yv4c0000gn/T/ng-pMlA9a/angular-errors.log&quot; for further details.
  npm ERR! Test failed. See above for more details.
  </code></pre>