title: Paket error: "Package was referenced, but it was not found in the paket.lock file"
body: <p>When using <a href="https://fsprojects.github.io/Paket/" rel="nofollow noreferrer">Paket</a>, how to fix this error?</p>
  
  <p><a href="https://i.stack.imgur.com/zb58b.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/zb58b.png" alt="enter image description here"></a></p>