NuGet Warning NU5122

XDT transform file 'tools/transform.xdt' will not be applied when the package is installed after the migration.

Issue

The package contains an assembly file that is not under a target framework specific folder. The package will not be compatible with a package reference type of project.

Solution

Please request the package author to fix the package such that it no longer contains an install.ps1 file. You can read more about it in NuGet docs.