NW6.5SP5, PERL and Error message every time, when run
Perl-Script

NW6.5SP5. Every time, when run Perl scrept i see this error message:

perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
	LC_ALL = (unset),
	LANG = (unset)
 are supported and installed on your system.
perl: warning: Failling back to the standart locale ("C").

Why this and what can i do for resolver this ?

PS: on my NW6.5SP5 server:
LANGUAGE
 Current NLM language is (4) ENGLISH.
 Current DOS code page is (866).


Serg