i always get the same error in locale settings---help for ubuntu 6.06

capgish

my OS is ubuntu6.06,which comes from Debian.And I am new in this filed.So I did what the www.ubuntu.org.cn's wiki told me to.I install a SCIM. But, it dosen't work. So,I use the command
"sudo apt-get remove"
to remove it
and every time when I wanna install and config(maybe config, coz I really don't know when it happens ) a software it shows
=====================================
perl:warning:Setting locale failed
perl:warninglease check that your locale settings:
LANGUAGE = "en_US:en_GB:en",
LC_ALL = (unset),
LANG = "zh_CN,GB2312"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
=======================================
And the installation goes well.
And when I type perl and press end, it appears again.
I really don't know how to do it so I am looking forward pro-answers.
thanx
P.Slz give me the copy to my email addr. that it
capgish@gmail.com
thanx again