error opening AUP3 project

I really need recovering this interview :cry: . Image of the error is attached. I use Windows 10 and Audacity version 3.0.2
Thanks in advance.
audacity error.png

  1. Close Audacity
  2. Copy the project to your Desktop
  3. Rename the copy as “copy.aup3” (without quotes)
  4. See if you can open “copy.aup3” with Audacity.