.prd files not opening in Principle

Have you searched the Docs and Knowledge Base? yes
Principle Version: 5.9 (5020)
macOS Version: 10.14.5
Sketch Version: 55.2
Description of what you need help with: .prd files are not opening in Principle, do not even load a blank page, just will not show or open :frowning:

Steps to reproduce the behavior:

  1. right-click on .prd files
  2. “open with” -> show all -> select Principle
  3. files do not open or show in Principle
  4. bummed that I’ve lost my work forever

Screenshots/Sketch File/Principle file:

Please share a link to the file. It’s likely that the files were corrupted. This could happen when storing the file in a shared dropbox or google driver folder.