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我'新使用一把umbraco CMS后,我尝试使用的NuGet中的Visual Studio 2012我得到这个错误无法安装使用一把umbraco的NuGet “操作失败”
从NuGet包安装
'Newtonsoft.Json' already has a dependency defined for 'Microsoft.CSharp'.
这从控制台的NuGet
Install-Package : 'Newtonsoft.Json' already has a dependency defined for 'Microsoft.CSharp'.
At line:1 char:1
+ Install-Package UmbracoCms
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : NotSpecified: (:) [Install-Package], InvalidOperationException
+ FullyQualifiedErrorId : NuGetCmdletUnhandledException,NuGet.PowerShell.Commands.InstallPackageCommand
如何解决这个