EHCanadian - 2006-10-14

I installed my mandriva 2006 os and it was a very basic install perl webmin kinda deal. and now i feel i've missed a few perl modules for example

Error - Perl execution failed
Undefined subroutine &main::package_system called at /usr/libexec/webmin/software/index.cgi line 25.

other pages/functions work fine so I'm like 99% sure i'm missing some kinda perl module(s)

any ideas