title: 'directive' does not exist in type 'Component'
body: <p><a href="http://i.stack.imgur.com/LZvDw.jpg" rel="nofollow">Two components and terminal error picture</a></p>
  
  <p>Basically there are two components, app component and courses component. I wanna use courses component in app component as you can see in the picture. But it's giving me the error visible in terminal.</p>