Why do I get a warning icon when I add a reference to an MEF plugin project?

Question

I wish to test the core class of a plugin by directly referencing the plugin project and instantiating the plugin class. When I create a test Console App project and add a p

Answer 1

In a multi-project solution, If every other thing failed... On the startUp project, check. Dependencies->Assemblies and see if the erring referenced project is there. Remove it and re-build.