NVIDIA GameWorks Integration

I am frustrated at the moment. I did everything to create the UEGame.exe for packaging my projects. But I get always compile errors in Visual Studio. I dont know where the mistake is. First, I selected “Development Editor Win64” in the dropdown menu in Visual Studio. I selected the UE4 icon in the Solution Explorer, right click “build”. When everything is finished I selected “debugGame win64” in the pulldown menu. Then right click on the UE4 symbol (Solution Explorer) and start building. So far, so good. But then happens:

What is going on there? What am I doing wrong?!