While upgrading SME 5.1.2 with the Upgrade1 rpm patches I received the following error:
[root@mail files]# rpm -Uvh *.rpm
Preparing...                ########################################### [100%]
   1:libtool-libs           ########################################### [ 12%]
   2:libxml2                ########################################### [ 25%]
   3:pspell                 ########################################### [ 37%]
warning: /etc/php.ini created as /etc/php.ini.rpmnew
   4:php                    ########################################### [ 50%]
   5:php-imap               ########################################### [ 62%]
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
        LANGUAGE = (unset),
        LC_ALL = (unset),
        LANG = "en_US"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
   6:php-ldap               ########################################### [ 75%]
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
        LANGUAGE = (unset),
        LC_ALL = (unset),
        LANG = "en_US"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
   7:php-mysql              ########################################### [ 87%]
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
        LANGUAGE = (unset),
        LC_ALL = (unset),
        LANG = "en_US"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
        LANGUAGE = (unset),
        LC_ALL = (unset),
        LANG = "en_US"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
[root@mail files]# perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
        LANGUAGE = (unset),
        LC_ALL = (unset),
        LANG = "en_US"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
============================================
I also get these perl warnings during the boot process of the SME server.
Can anyone explaine why this is happening?
Thank you.
Tom