sharix-open-wiki/lib/plugins/authplain/lang/en/lang.php

<?php
/**
 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
 *
 */
$lang['userexists']     = 'Sorry, a user with this login already exists.';
$lang['usernotexists']  = 'Sorry, that user doesn\'t exist.';
$lang['writefail']      = 'Unable to modify user data. Please inform the Wiki-Admin';
$lang['protected']      = 'Data for user %s is protected and can not be modified or deleted.';