Perl error when clicking on preferences

I keep getting:

Error during compilation of /opt/rt3/share/html/Elements/SelectLang:
Can’t locate I18N/LangTags/ in @INC (@INC contains:
/opt/rt3/local/lib /opt/rt3/lib /usr/lib/perl5/5.8.0/i486-linux
/usr/lib/perl5/5.8.0 /usr/lib/perl5/site_perl/5.8.0/i486-linux
/usr/lib/perl5/site_perl/5.8.0 /usr/lib/perl5/site_perl
/usr/lib/perl5/vendor_perl/5.8.0/i486-linux /usr/lib/perl5/vendor_perl/5.8.0
/usr/lib/perl5/vendor_perl . /usr/local/apache/ /usr/local/apache/lib/perl)
at /opt/rt3/share/html/Elements/SelectLang line 45.

Does anyone know the name of the perl module, hopefully installable with

Thanks for any help, much appreciated!

Joseph Hause Continental Visinet Broadband
Network Operations 757-873-4500/888-323-4500

Joe Hause wrote:

I keep getting:

Run rt-test-depenedencies script and it will show you missing modules.
It can install all missing modules too.