>Yes I did RECOMPILE ALL. The information you described is correct except that the framework converts the VERSION to a numeric value in the #INCLUDE and then uses the numeric value for comparisons with the classes.
>
>Maybe Kevin has some insight to this one?

Possibly, of course. But I suspect it's not MM related but related to the files being compiled in a different order between versions. Just a hunch.

Could you post the three file names and the exact lines of code that specifically relate to the issue?