It looks like every scrap of previous installs is gone after upgrading to X15.

[BeachHouse1]

All of the library references are broken

 

[Gawdzira]

That was not my experience. Did you do something very different with your file structure?

[rgardner]

49 minutes ago, BeachHouse1 said:

All of the library references are broken

 

Do you have the library on your local hard drive or in a cloud storage location?

[BeachHouse1]

Local