Visual Studio warning about copies of files with different contents

Question

When I go to debug my C++ project in Visual Studio, up pops a little warning dialogue box that tells me:

A copy of datum.h was found in
c:/users/brad/desktop/sou         


        

Answer 1

My solutiion:

1. Build -> Configuration manager
2. Switch to another configuration (any, example Releas or Debug)
3. Switch to previous configuration