What could be causing a System.TypeLoadException in a Visual Studio Unit Test?

Question

I\'ve got a C# .NET class library MyClassLibrary that compiles fine. I\'m trying to create a unit test project for it (using Visual Studio Unit Testing Fram

Answer 1

Happened to me too. It is related to building for x64, Release and x86 mode. In my case, I deleted folders in my bin (debug/release/x86 in reference assemblies and unit test) and re-run my unit test. VS2010 somewhat reported the error in Output Window. That solved it for me.