Extension talk:User Rights Email Notification

i have a problem with the extension

My server logs the failure:

PHP Fatal error: Call to undefined method Language::commaList in /var/www/html//testwiki-1.13.0/extensions/UserRightsNotif/UserRightsNotif.php on line 41

Waht can I do? —The preceding unsigned comment was added by 80.66.16.202 (talk • contribs). Please sign your posts with ~ !


 * Use Special:ExtensionDistributor to get a version of this extension that is compatible with your version of MediaWiki instead of using the trunk (development) version. --Jack Phoenix (Contact) 08:54, 4 May 2009 (UTC)

require_once
being there are other readme firles in my extensions directory, i changed  to. would this work for anyone else? Bud0011 07:01, 15 June 2009 (UTC)

Where to place the file UserRightsNotif.i18.php?
Hi I cannot fine any info where to place the mentioned file. The extension seems to work without problems without it. What is the role of that?