Visual Studio 2015 doesn't detect built project, looks for output in wrong directory

Question

I have several projects that get built every time I ask VS to build the solution. The relevant line from the build logs:

Project \'MyProject\' (SolutionF

Answer 1

Clean the solution, close solution and VS also.

Then delete the SUO file and bin and obj folders.

Open VS.

Re-ref the DLL, etc, etc.. Change ref path in csproj file(s).