Home: Error occurred while restoring Nuget Packages: The given key was not present in the dictionary.

[jinujoseph]

[jinujoseph]

@rrelyea, creating this for tracking purpose.

[rrelyea]

this was fixed by @jainaashish - find the right issue to dupe too.

[rrelyea]

Dupe of #3724 - had to do with no Guid in the .csproj. Fixed in Dev. Will be checked in mega-insertion.

[kwaazaar]

Getting this error now on VS 2017, patch 15.4 on a project that was created using dotnet new webapi. Nuget worked for a while and now gives this error. It keeps doing so after restarting VS.

[kwaclaw]

Same here, with VS 2017, patch 15.4.

[waghpravin14]

Same error me too with VS2017 15.4. Could someone please update.

[waghpravin14]

Track this issue @ https://github.com/NuGet/Home/issues/6020

[patroza]

What a PITA, the whole nuget process is a mess recently. Especially solutions that mix csproj of .NET Framework, .NET Standard and .NET Core. And now this..

[hardhub]

Still actual... Please reopen!

[sayfulloev]

~Having this with VS 2017 15.4.3~ Update to VS 15.4.4 which has the fix
https://www.visualstudio.com/en-us/news/releasenotes/vs2017-relnotes https://developercommunity.visualstudio.com/content/problem/128974/error-occured-while-restoring-nuget-packages-1.html

[OsirisTerje]

Got the same now, also see this:
"Error: Assets file 'myproject\objproject.assets.json' not found. Run a NuGet package restore to generate this file.", This happens even after having done a restore.
Happens in C:\Program Files\dotnet\sdk\2.0.2\Sdks\Microsoft.NET.Sdk\build\Microsoft.PackageDependencyResolution.targets 323

Restoring reports all is fine:
Restoring NuGet packages...
All packages are already installed and there is nothing to restore.

Except that it also gives this
Error occurred while restoring NuGet packages: The given key was not present in the dictionary.
which comes after it has said it has finished.......

Some screenshots:

[AmiNadimi]

I had the same problem and updating VS 2017 solved it.