We are getting Error 2203: Database: XYZ\1033.MST. Cannot open database file. System error -2147287037 when trying to upgrade our setup.
The setup was created using Installscript MSI project
Step1: We installed our Setup(version 2.2).It
Step2:Upgrade the OS to Win Server 2016 on that server
Step3:Trying to upgrade our Setup(Version 2.5).
We are facing Error applying transforms. Verify that the specified transform paths are valid.

Can anybody tell what exactly the problem is?

Thanks in advance