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
I encountered the same error but the problem turned out to be because I had created a new configuration in my solution that didn't exist in referenced assemblies from another solution.
This can be resolved by opening the related solution and adding the new configuration to it as well.
This post gave me the idea to check the referenced assemblies after I'd already confirmed that all projects within my solution had the correct configuration:
http://gabrielmagana.com/2010/04/solution-to-the-outputpath-property-is-not-set-for-this-project/