What do Yellow Warning Triangles mean on Dependencies in Visual Studio 2017?

Question

I have just converted my PCL library to a new .Net Standard library and I have some Yellow Warning triangles on my Dependencies shown below:

During the conv

Answer 1

run dotnet restore before you do any complicated manipulation, you are going to be provided with a lot more info than in the error window or solution explorer.

You can run this command in the Package Manager Console:

Tools > NuGet Package Manager > Package Manager Console