I\'ve looked this question up, but I don\'t see too many answers, and obviously none have been helpful or I wouldn\'t be asking. I am a .NET neophyte.
My local enviro
Another possible reason for this issue is if the project is using NuGet packages and they haven't been restored (downloaded) yet.
They may need to be restored in Visual Studio or you can use the nuget.exe command-line executable to restore the packages.
https://docs.nuget.org/consume/package-restore