You must add a reference to assembly mscorlib, version=4.0.0

Question

I\'m having some trouble migrating a web project from RC1 to RC2. When I switched, I\'m getting a bunch of these errors throughout the project.

The ty

Answer 1

I got this error when I created a new project using the template Class Library (.NET Standard) and ported some code into it that I wanted to re-use.

I created a new project Class Library (.NET Framework) and moved the code there instead and it worked without any issues.