Does it resemble this?
Yes it does. Thanks Ann. I will copy this article and forward it to the rep who is looking into my issue. Thank you so much! Now I need to see how to get it back. I'm desperate enough to just get someone to recover the files on my hard drive so I can just finish this project.
I can see that you are following this post: Media files deleted after 2017.1 upgrade
Still, want to mention here that your original issue has been fixed in the latest update of CC2017 (11.1.1). Premiere Pro 11.1.1 update | Creative Cloud blog by Adobe