title: 'Owning library is missing' error when saving LabVIEW 2016 OOP project to LabVIEW 8.5
body: <p>I am developing a LabVIEW controlled experiment using version 2016, but I need to transfer it to LabVIEW 8.5. When saving the project to version 8.5 I lose the ability to work with my classes. </p>
  
  <p>I made a simple test:</p>
  
  <p><a href="https://i.stack.imgur.com/Wupq6.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Wupq6.png" alt="screenshot"></a> </p>
  
  <p>I do not understand which library I'm missing. What could be the solution to this problem?</p>