I know there have been other references to this issue. But I didn\'t upgrade from one version of VS to another. I am currently using VS 2013. The project builds fine, and ha
I hit this same problem with a project loaded in Visual Studio 2017. It was previously working on a different machine, but not when I migrated to a new one.
After trying all of the suggestions in the answers here (the question is somewhat duplicated several times on StackOverflow), I finally ran across someone elsewhere who mentioned installing the Azure SDK for VS2015.
This isn't supposed to be needed for VS2017, but it solved the problem for me. I'd previously used 2015 on my old machine but had switched to 2017. Apparently, the SDK bits still mattered.