Unable to view values of variables while debugging

Question

I\'m trying to debug portions of the current application I\'m working on, however when I try and check the value of a property/variable I get the error:

Cannot eva

Answer 1

This article, Rules of Funceval gives a number of reasons why this can occur. If debugging is turned on and optimisation turned off already, there doesn't seem to be much else you can do about this problem.