Error BC30002 - Type XXX is not defined

Question

OK, this begins to drive me crazy. I have an asp.net webapp. Pretty straightforward, most of the code in the .aspx.vb, and a few classes in App_Code.

The problem, wh

Answer 1

This happened to me after I added a new project to an old solution. I lowered the Target framework to match that of the other 'older' projects and the error went away.