'Newtonsoft.Json' already has a dependency defined for 'Microsoft.CSharp'

Question

I\'m installing NewtonSoft.Json for parsing Json in .NET application. When I\'m using Visual Studio(VS) 2012, it can not be installed via NuGet. This is the error I have go

Answer 1

because NuGet Package Manager (Version 2.8.60318.667) for VS 2012 does not support .NETStandard (Used for Latest Newtonsoft Json Parser Lib. https://github.com/NuGet/Home/issues/3131

I resolve this issue by installing older version of Newtonsoft Json:

PM> Install-Package Newtonsoft.Json -Version 9.0.1

More details on: https://github.com/NuGet/Home/issues/5162 .