Change this:
Path.GetFullPath(BuildConfiguration.RelativeEnginePath)
To this;
Path.GetFullPath(Target.RelativeEnginePath)
Where Target is the ReadOnlyTargetRules argument passed into the constructor.
Change this:
Path.GetFullPath(BuildConfiguration.RelativeEnginePath)
To this;
Path.GetFullPath(Target.RelativeEnginePath)
Where Target is the ReadOnlyTargetRules argument passed into the constructor.