Hey, my LogoControl.log gets spammed with

31/05/2017 19:58:52: Globale nicht behandelte Ausnahme aufgetreten:
System.NullReferenceException: Object reference not set to an instance of an object
  at System.ServiceModel.Dispatcher.ListenerLoopManager.ProcessRequest (IReplyChannel reply, System.ServiceModel.Channels.RequestContext rc) [0x00000] in <filename unknown>:0
  at System.ServiceModel.Dispatcher.ListenerLoopManager.TryReceiveRequestDone (IAsyncResult result) [0x00000] in <filename unknown>:0
(no inner exception)

And i can’t find how to fix it please help me out!
After a time my LogoControl Starts getting slow and after a long time it won’t react anymore. Thanks!