\NETFramework,Version=v4\6\1\AssemblyAtttributes.c s ERROR Duplicate 'global::System.Runtime.VersioningTargetFrameworkA ttribute'attribute CODE CS0579 Line 4
4 [assembly: global::System.Runtime.Versioning.TargetFrameworkA ttribute(".NETFramework,Version=v4.8", FrameworkDisplayName = ".NET Framework 4.6.1")]
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