Online Timer für WCF 2 Fatal Error beim abmelden

Fatal error: Call to a member function getFormattedUserOption() on a non-object in /home/toby/Workspace/wbb4/wcf/lib/system/bbcode/OnlineTimerBBCode.class.php on line 31
Call Stack
#	Time	Memory	Function	Location
1	0.0015	127016	{main}( )	../index.php:0
2	0.1505	2069124	wcf\system\request\RequestHandler->handle( )	../index.php:10
3	0.1971	2462420	wcf\system\request\Request->execute( )	../RequestHandler.class.php:107
4	0.1971	2462652	wcf\page\AbstractPage->__run( )	../Request.class.php:58
5	0.1972	2462868	wcf\page\AbstractPage->show( )	../AbstractPage.class.php:86
6	0.2013	2482492	wcf\page\DashboardPage->assignVariables( )	../AbstractPage.class.php:182
7	0.2080	2540236	wcf\system\dashboard\DashboardHandler->loadBoxes( )	../DashboardPage.class.php:52
8	0.4743	3745580	wcf\system\dashboard\box\RecentActivityDashboardBox->init( )	../DashboardHandler.class.php:71
9	0.4871	3778472	wcf\data\user\activity\event\ViewableUserActivityEventList->readObjects( )	../RecentActivityDashboardBox.class.php:50
10	0.5376	3939108	wbb\system\user\activity\event\ThreadUserActivityEvent->prepare( )	../ViewableUserActivityEventList.class.php:82
11	0.5512	4041292	wbb\data\post\Post->getExcerpt( )	../ThreadUserActivityEvent.class.php:63
12	0.5512	4041344	wbb\data\post\Post->getSimplifiedFormattedMessage( )	../Post.class.php:108
13	0.6130	4399440	wcf\system\bbcode\MessageParser->parse( )	../Post.class.php:78
14	0.6132	4400228	wcf\system\bbcode\BBCodeParser->parse( )	../MessageParser.class.php:112
15	0.6138	4403456	wcf\system\bbcode\BBCodeParser->buildParsedString( )	../BBCodeParser.class.php:99
16	0.6408	4444704	wcf\system\bbcode\OnlineTimerBBCode->getParsedTag( )	../BBCodeParser.class.php:367