When I try to compile my project from x86 debug mode in Visual Studio 2008. I am getting this error. When I looked at the property group of the project that complained, I se
Another crazy possibility: If you follow a simple source control arrangement of putting Branch\Main, Main, and Release next to each other and you somehow end up adding an existing project from Main instead of Branch\Main (assuming your working solution is Branch\Main), you may see this error.
The solution is simple: reference the right project!