when restoring packages.config in traversal targets if two packages.config contain the same package but different cased and perhaps even different versioned (normalized/non-normalized) the packages get added as dupes to the aggregate packages.config and nuget then fails.
when restoring packages.config in traversal targets if two packages.config contain the same package but different cased and perhaps even different versioned (normalized/non-normalized) the packages get added as dupes to the aggregate packages.config and nuget then fails.
https://stackoverflow.microsoft.com/questions/69417/nuget-duplicate-package-error