I've found that any page generated with SMF's errors.template.php and viewed through Mambo doesn't actually include the Mambo theme. Has anyone else noticed this? Is there a fix for it?
I have an idea of how I can remedy it, but it's a dirty workaround I'd rather not use unless there's no other solution.
I think the problem doesn't exist if you use the ob version [Unknown] put together here:
but, that's not a throughly tested version.