Cannot Generate Visual Studio Project

When trying to generate studio project, I get the follow error:

Running C:/Program Files/Epic Games/4.10/Engine/Binaries/DotNET/UnrealBuildTool.exe -projectfiles -project=“C:/Users/Barnesc/Documents/Unreal Projects/CPPTestIgen/CPPTestIgen.uproject” -game -rocket -progress -2015
Visual C++ 2015 toolchain does not appear to be correctly installed. Please verify that “Common Tools for Visual C++ 2015” was selected when installing Visual Studio 2015.
Discovering modules, targets and source code for game…
UnrealBuildTool Exception: ERROR: Directory ‘C:\Users\Barnesc\Documents\Unreal Projects\CPPTestIgen’ is missing ‘Source’ folder.