title: Lightweight Render Pipeline in Unity turned everything pink
body: <p>I recently added Lightweight Render Pipeline in my existing Unity project and converted all materials to lightweight. But it always result a pink material.</p>
  
  <p>Unity Version: 2018.2.02f Personal</p>
  
  <p><a href="https://i.stack.imgur.com/bUI7W.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/bUI7W.png" alt="enter image description here"></a></p>