Nuget error “Object reference not set to an instance of an object” while installing Entityframework 7 from Package Manager Console in VS2015

Question

I am trying to build a sample application using EF7 and mvc 6 in visual studio 2015 pre release.

While installing both EF7 and MVC6 using package manager console getting

Answer 1

I think your IPaddress doesn't connect to nugetpackage Use proxy to change your IPaddress I think that's true.

Answer 2

After I restarted the computer, the problem is gone.

Answer 3

Perfect and ultimate Solution Guys this is the perfect solution for that. First install the latest version of nuget (Nuget.VisualStudio) from your visual studio. Then install the sqlite through the last version of nuget you installed already. for more details just look the picture bellow. Thanks

Answer 4

I solved my problem by adding:

https://api.nuget.org/v3/index.json

as a Package Sources feed, as shon on the picture below:

Answer 5

In my case, i was having:

Object reference not set to an instance of an object

From package manager and i solved it closing all and opening again.

Answer 6

Perfect and ultimate Solution Guys this is the perfect solution for that. First install the latest version of nuget from your visual studio. Then install the sqlite through the last version of nuget you installed already. for more details just look the picture bellow. Thanks]1]1