title: Angular - Error while building angular project for production
body: <p>While building an angular project for production it shows me an error. I am using Angular 5. 
  <a href="https://i.stack.imgur.com/NKBH3.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/NKBH3.png" alt="enter image description here"></a></p>
  
  <p>I am not using <code>&lt;template&gt;</code> anywhere. I searched in a whole project it doesn't show </p>