Nuget: Failed to add reference to 'EntityFramework'

Question

I tried to update a few packages using Package Manager Console, but I am getting this:

update-package : Failed to add reference to 'EntityFramework'.
At line:1 char:1
+ update-package EntityFramework -reinstall
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [Update-Package], Exception
    + FullyQualifiedErrorId : NuGetCmdletUnhandledException,NuGet.PackageManagement.PowerShellCmdlets.UpdatePackageCommand

Here are a few commands that I tried:

Install-Package EntityFramework
Update-Package EntityFramework -Reinstall
Update-Package -Reinstall

I also tried to update packages using UI and ran VS in administrator mode. Important to mention, the project is under TFS source control (I did make it work when I removed TFS binding). There are a few other packages - same thing with them. I see yellow exclamation next to references and I can't re-install packages.

I've never seen this error before, similar question answers don't work for me.

Andrei · Accepted Answer · 2017-06-26 12:24:51Z

3

In my case packages where checked in TFS source control (which is of course terrible). This answer explains how to setup ignore rules for TFS. After deleting packages everything was fixed.

edited Jun 26, 2017 at 12:24

answered Jan 23, 2017 at 4:38

Andrei

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Comments

Cece Dong - MSFT · Accepted Answer · 2017-01-20 03:55:53Z

0

I've tried your commands on one of my project that under VSTS source control, no issue occurred (VS 2015.3 + Package Manager Console Host Version 3.5.0.1484). You may try the items below:

Check Package Manager Console version to see whether it is the latest version.
Try to open the package from Manage Nuget Packages, uninstall the EntityFramework package and re-install it:
Enable Package restore in VS:

answered Jan 20, 2017 at 3:55

Cece Dong - MSFT

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