Fault message in Joomla-Visites-Piwik

I installed the Joomla Plugin Joomla-Visit. The Instalation was sucessfull, but when i start the plugin iwill get the following faul message:

There is an error. Please report the message and full backtrace in the Piwik forums.

Notice: Undefined property: JAdministrator::$JComponentTitle in /kunden/307357_45357/webseiten/joomla2.5/administrator/modules/mod_title/mod_title.php on line 13

Backtrace -->
#0 Piwik_ErrorHandler(8, Undefined property: JAdministrator::$JComponentTitle, /kunden/307357_45357/webseiten/joomla2.5/administrator/modules/mod_title/mod_title.php, 13, Array ([module] => stdClass Object ([id] => 15,[title] => Title,[module] => mod_title,[position] => title,[content] => ,[showtitle] => 1,[params] => ,[menuid] => 0,[user] => 0,[name] => title,[style] => ),[attribs] => Array ([name] => title),[chrome] => Array ([/kunden/307357_45357/webseiten/joomla2.5/administrator/templates/bluestork/html/modules.php] => 1),[app] => JAdministrator Object ([] => 1,[] => Array (),[] => administrator,[scope] => mod_title,[requestTime] => 2012-11-05 10:35,[startTime] => 1352111702,624,[input] => JInput Object ([] => Array (),[] => JFilterInput Object ([tagsArray] => Array (),[attrArray] => Array (),[tagsMethod] => 0,[attrMethod] => 0,[xssAuto] => 1,[tagBlacklist] => Array ([0] => applet,[1] => body,[2] => bgsound,[3] => base,[4] => basefont,[5] => embed,[6] => frame,[7] => frameset,[8] …#1 include(/kunden/307357_45357/webseiten/joomla2.5/administrator/modules/mod_title/mod_title.php) called at [/kunden/307357_45357/webseiten/joomla2.5/libraries/joomla/application/module/helper.php:175]#2 JModuleHelper::renderModule(stdClass Object ([id] => 15,[title] => Title,[module] => mod_title,[position] => title,[content] => ,[showtitle] => 1,[params] => ,[menuid] => 0,[user] => 0,[name] => title,[style] => ), Array ([name] => title)) called at [/kunden/307357_45357/webseiten/joomla2.5/libraries/joomla/document/html/renderer/module.php:107]#3 JDocumentRendererModule->render(stdClass Object ([id] => 15,[title] => Title,[module] => mod_title,[position] => title,[content] => ,[showtitle] => 1,[params] => ,[menuid] => 0,[user] => 0,[name] => title,[style] => ), Array ([name] => title), ) called at [/kunden/307357_45357/webseiten/joomla2.5/libraries/joomla/document/html/renderer/modules.php:39]#4 JDocumentRendererModules->render(title, Array ([name] => title), ) called at [/kunden/307357_45357/webseiten/joomla2.5/libraries/joomla/document/html/html.php:371]#5 JDocumentHTML->getBuffer(modules, title, Array ([name] => title)) called at [/kunden/307357_45357/webseiten/joomla2.5/libraries/joomla/document/html/html.php:655]#6 JDocumentHTML->_renderTemplate() called at [/kunden/307357_45357/webseiten/joomla2.5/libraries/joomla/document/html/html.php:433]#7 JDocumentHTML->render(, Array ([template] => bluestork,[file] => index.php,[directory] => /kunden/307357_45357/webseiten/joomla2.5/administrator/templates,[params] => JRegistry Object ([] => stdClass Object ([useRoundedCorners] => 1,[showSiteName] => 0)))) called at [/kunden/307357_45357/webseiten/joomla2.5/administrator/includes/application.php:202]#8 JAdministrator->render() called at [/kunden/307357_45357/webseiten/joomla2.5/administrator/index.php:52]

whats going wrong?

Thanks

please ask the Joomla plugin developer as there is a bug in his plugin. it would be fantastic to have a joomla extension!