Excuse me for not checking in Squeeze before reporting, this bug (the language error) has been fixed. The error could be a little more helpful towards which variable might be missing, but that's a feature request, not a bug.
Sorry for wasting your time. -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org