NuGet [Install-Package]，NotImplementedException尝试安装软件包或创建mvc 3项目

Question

尝试安装NuGet软件包时，出现错误“未实现方法或操作”。此相同的操作对我的两个同事均适用。 创建新的Mvc 3应用程序时，在对话框中出现相同的错误：“未实现方法或操作。” 有人知道这是怎么回事吗？

install-package entityframework -verbose
You are downloading EntityFramework from Microsoft, the license agreement to which is available at http://go.microsoft.com/fwlink/?LinkId=242868. Check the package for additional dependencies, which may come with their own license agreement(s). Your use of the package and dependencies constitutes your acceptance of their license agreements. If you do not accept the license agreement(s), then delete the relevant components from your device.
Added file 'App.config.transform' to folder 'EntityFramework.4.3.1\Content'.
Added file 'Web.config.transform' to folder 'EntityFramework.4.3.1\Content'.
Added file 'EntityFramework.dll' to folder 'EntityFramework.4.3.1\lib\net40'.
Added file 'EntityFramework.xml' to folder 'EntityFramework.4.3.1\lib\net40'.
Added file 'EF4.3on.NET4.5Readme.txt' to folder 'EntityFramework.4.3.1\tools'.
Added file 'EntityFramework.PowerShell.dll' to folder 'EntityFramework.4.3.1\tools'.
Added file 'EntityFramework.psd1' to folder 'EntityFramework.4.3.1\tools'.
Added file 'EntityFramework.psm1' to folder 'EntityFramework.4.3.1\tools'.
Added file 'init.ps1' to folder 'EntityFramework.4.3.1\tools'.
Added file 'install.ps1' to folder 'EntityFramework.4.3.1\tools'.
Added file 'migrate.exe' to folder 'EntityFramework.4.3.1\tools'.
Added file 'EntityFramework.4.3.1.nupkg' to folder 'EntityFramework.4.3.1'.
Successfully installed 'EntityFramework 4.3.1'.
Executing script file 'C:\Users\JRT3ZHJ\Documents\Visual Studio 2010\Projects\MvcApplication5\packages\EntityFramework.4.3.1\tools\init.ps1'.
'packages.config' already exists. Skipping...
Removed file 'EntityFramework.dll' to folder 'C:\Users\JRT3ZHJ\Documents\Visual Studio 2010\Projects\MvcApplication5\packages\EntityFramework.4.3.1\lib\net40'.
Removed file 'EntityFramework.xml' to folder 'C:\Users\JRT3ZHJ\Documents\Visual Studio 2010\Projects\MvcApplication5\packages\EntityFramework.4.3.1\lib\net40'.
Removed folder 'C:\Users\JRT3ZHJ\Documents\Visual Studio 2010\Projects\MvcApplication5\packages\EntityFramework.4.3.1\lib\net40'.
Removed file 'App.config.transform' to folder 'C:\Users\JRT3ZHJ\Documents\Visual Studio 2010\Projects\MvcApplication5\packages\EntityFramework.4.3.1\Content'.
Removed file 'Web.config.transform' to folder 'C:\Users\JRT3ZHJ\Documents\Visual Studio 2010\Projects\MvcApplication5\packages\EntityFramework.4.3.1\Content'.
Removed folder 'C:\Users\JRT3ZHJ\Documents\Visual Studio 2010\Projects\MvcApplication5\packages\EntityFramework.4.3.1\Content'.
Removed file 'EF4.3on.NET4.5Readme.txt' to folder 'C:\Users\JRT3ZHJ\Documents\Visual Studio 2010\Projects\MvcApplication5\packages\EntityFramework.4.3.1\tools'.
Removed file 'EntityFramework.PowerShell.dll' to folder 'C:\Users\JRT3ZHJ\Documents\Visual Studio 2010\Projects\MvcApplication5\packages\EntityFramework.4.3.1\tools'.
Removed file 'EntityFramework.psd1' to folder 'C:\Users\JRT3ZHJ\Documents\Visual Studio 2010\Projects\MvcApplication5\packages\EntityFramework.4.3.1\tools'.
Removed file 'EntityFramework.psm1' to folder 'C:\Users\JRT3ZHJ\Documents\Visual Studio 2010\Projects\MvcApplication5\packages\EntityFramework.4.3.1\tools'.
Removed file 'init.ps1' to folder 'C:\Users\JRT3ZHJ\Documents\Visual Studio 2010\Projects\MvcApplication5\packages\EntityFramework.4.3.1\tools'.
Removed file 'install.ps1' to folder 'C:\Users\JRT3ZHJ\Documents\Visual Studio 2010\Projects\MvcApplication5\packages\EntityFramework.4.3.1\tools'.
Removed file 'migrate.exe' to folder 'C:\Users\JRT3ZHJ\Documents\Visual Studio 2010\Projects\MvcApplication5\packages\EntityFramework.4.3.1\tools'.
Removed folder 'C:\Users\JRT3ZHJ\Documents\Visual Studio 2010\Projects\MvcApplication5\packages\EntityFramework.4.3.1\tools'.
Removed folder 'C:\Users\JRT3ZHJ\Documents\Visual Studio 2010\Projects\MvcApplication5\packages\EntityFramework.4.3.1\lib'.
Removed file 'EntityFramework.4.3.1.nupkg' to folder 'C:\Users\JRT3ZHJ\Documents\Visual Studio 2010\Projects\MvcApplication5\packages\EntityFramework.4.3.1'.
Removed folder 'C:\Users\JRT3ZHJ\Documents\Visual Studio 2010\Projects\MvcApplication5\packages\EntityFramework.4.3.1'.
Successfully uninstalled 'EntityFramework 4.3.1'.
Install failed. Rolling back...
Install-Package : The method or operation is not implemented.
At line:1 char:16
+ install-package <<<< entityframework -verbose
+ CategoryInfo : NotSpecified: (:) [Install-Package], NotImplementedException
+ FullyQualifiedErrorId : NuGetCmdletUnhandledException,NuGet.PowerShell.Commands.InstallPackageCommand

Answer 1

您正在使用什么版本的NuGet，我最近更新了NuGet的副本以使用EntityFramework。 我必须完全卸载NuGet，然后重新安装才能使用最新的EntityFramework软件包，希望对您有所帮助！