Problema perl y la configuracion local

[31 <borxa@email.com>]

Setting up scrollkeeper (0.2-4) ...
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
        LANGUAGE = "es_ES.ISO-8859-1",
        LC_ALL = "es_ES.ISO-8859-1",
        LC_MESSAGES = "es_ES.ISO-8859-1",
        LC_CTYPE = "es_ES.ISO-8859-1",
        LANG = "es_ES.ISO-8859-1"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").

¿Como lo arreglo?
-- 
	       ___   ___   ___    _  _   ___
	      | - > /   \ | - >  < \/ > / - \
	      | _ \ | | | |   \   >  <  | | |
     SALUDOS  |___/ \___/ |_|\_\ <_/\_> |_|_|