Dashboard Box macht Fehler

Tue, 19 Jan 2016 19:39:16 +0000
Message: PHP notice in file /homepages/43/d599715531/htdocs/borderline-forum.net/lib/data/thread/BestRateOfThreadList.class.php (27): Undefined offset: 4276
File: /homepages/43/d599715531/htdocs/borderline-forum.net/wcf/lib/system/WCF.class.php (309)
PHP version: 5.5.30
WCF version: 2.1.9 pl 1 (Typhoon)
Request URI: /
Referrer: https://www.borderline-forum.net/user/5-foren-bot/
User-Agent: Mozilla/5.0 (Linux; Android 5.1.1; D6603 Build/23.4.A.1.264) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.83 Mobile Safari/537.36
Information: ""
Stacktrace: 
  #0 /homepages/43/d599715531/htdocs/borderline-forum.net/lib/data/thread/BestRateOfThreadList.class.php(27): wcf\system\WCF::handleError(8, 'Undefined offse...', '/homepages/43/d...', 27, Array)
  #1 /homepages/43/d599715531/htdocs/borderline-forum.net/lib/system/dashboard/box/BestRateThreadsMonthDashboardBox.class.php(28): wbb\data\thread\BestRateOfThreadList->readObjects()
  #2 /homepages/43/d599715531/htdocs/borderline-forum.net/wcf/lib/system/dashboard/DashboardHandler.class.php(71): wbb\system\dashboard\box\BestRateThreadsMonthDashboardBox->init(Object(wcf\data\dashboard\box\DashboardBox), Object(wbb\page\BoardListPage))
  #3 /homepages/43/d599715531/htdocs/borderline-forum.net/lib/page/BoardListPage.class.php(98): wcf\system\dashboard\DashboardHandler->loadBoxes('com.woltlab.wbb...', Object(wbb\page\BoardListPage))
  #4 /homepages/43/d599715531/htdocs/borderline-forum.net/wcf/lib/page/AbstractPage.class.php(276): wbb\page\BoardListPage->assignVariables()
  #5 /homepages/43/d599715531/htdocs/borderline-forum.net/wcf/lib/page/AbstractPage.class.php(100): wcf\page\AbstractPage->show()
  #6 /homepages/43/d599715531/htdocs/borderline-forum.net/wcf/lib/system/request/Request.class.php(58): wcf\page\AbstractPage->__run()
  #7 /homepages/43/d599715531/htdocs/borderline-forum.net/wcf/lib/system/request/RequestHandler.class.php(139): wcf\system\request\Request->execute()
  #8 /homepages/43/d599715531/htdocs/borderline-forum.net/index.php(10): wcf\system\request\RequestHandler->handle('wbb')
  #9 {main}