[O] Problems with latex_class

[Marvin Doyley]

Hi there,

I just updated to the latest version of org. I have a couple of
classes (ie latex packages and classes, etc) that I use frequently.
These are defined using the
add-to-list 'org-export-latex-classes function in my .emacs file

For some reason the latest version of org doesn't recognize my
classes. More specifically when I evoke the org-latex exporter I get
an error message 'unknown latex class blah

Does anybody know how to resolve this ?

Thanks
M