Problems with Perl script after upgrading to 1.7

[Gary .]

I knew it was a mistake before I did it :( Never touch a running
system and all that.

Anyway, since upgrading to 1.7 I get
" not a file at
/home/gary/.perl/lib/perl5/site_perl/5.10/Text/Language/Guess.pm line
158"

Should I upgrade something manually, or what?

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