Labelgruppe gelöscht > fatal error

Tue, 03 Sep 2013 18:38:03 +0000
Message: unknown label group identified by group id '1'
File: /www/htdocs/w010a0cb/talkreloaded/wcf/lib/system/label/LabelHandler.class.php (288)
PHP version: 5.4.16-nmm1
WCF version: 2.0.0 Beta 7 (Maelstrom)
Request URI: /index.php/Board/3-Vorschl%C3%A4ge-Bugs/
Referrer: http://talk-reloaded.de/
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:23.0) Gecko/20100101 Firefox/23.0
Stacktrace: 
  #0 /www/htdocs/w010a0cb/talkreloaded/lib/page/BoardPage.class.php(192): wcf\system\label\LabelHandler->getLabelGroups(Array, true, 'canViewLabel')
  #1 /www/htdocs/w010a0cb/talkreloaded/wcf/lib/page/AbstractPage.class.php(85): wbb\page\BoardPage->readParameters()
  #2 /www/htdocs/w010a0cb/talkreloaded/wcf/lib/system/request/Request.class.php(58): wcf\page\AbstractPage->__run()
  #3 /www/htdocs/w010a0cb/talkreloaded/wcf/lib/system/request/RequestHandler.class.php(94): wcf\system\request\Request->execute()
  #4 /www/htdocs/w010a0cb/talkreloaded/index.php(10): wcf\system\request\RequestHandler->handle('wbb')
  #5 {main}