Fehler bei Anzeigen aktualisieren

Could
 not execute prepared statement: SQLSTATE[42000]: Syntax error or access
 violation: 1064 You have an error in your SQL syntax; check the manual 
that corresponds to your MySQL server version for the right syntax to 
use near 'ON DUPLICATE KEY
			UPDATE			activityPoints = activityPoints + VALUES(activityPo' at line
 2




Stacktrace:




#0 
/home/www/test/wcf/lib/system/user/activity/point/UserActivityPointHandler.class.php(129):
 wcf\system\database\statement\PreparedStatement->execute(Array)




#1 
/home/www/test/lib/system/worker/PostRebuildDataWorker.class.php(107): 
wcf\system\user\activity\point\UserActivityPointHandler->fireEvents('com.woltlab.wbb...',
 Array, false)




#2 /home/www/test/wcf/lib/acp/action/WorkerProxyAction.class.php(88): wbb\system\worker\PostRebuildDataWorker->execute()




#3 /home/www/test/wcf/lib/action/AbstractAction.class.php(49): wcf\acp\action\WorkerProxyAction->execute()




#4 /home/www/test/wcf/lib/action/AJAXInvokeAction.class.php(63): wcf\action\AbstractAction->__run()




#5 /home/www/test/wcf/lib/system/request/Request.class.php(58): wcf\action\AJAXInvokeAction->__run()




#6 /home/www/test/wcf/lib/system/request/RequestHandler.class.php(94): wcf\system\request\Request->execute()




#7 /home/www/test/acp/index.php(10): wcf\system\request\RequestHandler->handle('wbb', true)




#8 {main}