请教各位,配置mrtg时出现了错误！！

zhang10369

安装完mrtg后.用cfgmaker配置时出现了如下错误.这是什么意思呢？

perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
        LANGUAGE = "zh_CN.GB18030:zh_CN.GB2312:zh_CN",
        LC_ALL = (unset),
        LC_TIME = "en",
        LANG = "zh_CN.GB18030"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").