trinity 2.50.231 (SVN) Error

[Hoschy]

This is my error. Dowloaded over svn @ ~23:00 on 24.08.2016
Using AutoFollow 1.0.27
all other plugins deactivated
cause of "The calling thread cannot access this object because a different thread owns it"
I run 2 bots in sepearated folders. Both @ admin.

[Trinity 2.50.230] Error while CopyTo Setting ItemListSettings : Exception has been thrown by the target of an invocation. Property: Grouping System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.InvalidOperationException: The calling thread cannot access this object because a different thread owns it.
   at System.Windows.Threading.Dispatcher.VerifyAccess()
   at System.Windows.DependencyObject.SetValue(DependencyProperty dp, Object value)
   at System.Windows.Data.CollectionViewSource.set_IsLiveGroupingRequested(Boolean value)
   at Trinity.Settings.Loot.ItemListSettings.ChangeGrouping(GroupingType groupingType)
   at Trinity.Settings.Loot.ItemListSettings.set_Grouping(GroupingType value)
   --- End of inner exception stack trace ---
   at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
   at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at System.Reflection.RuntimePropertyInfo.SetValue(Object obj, Object value, BindingFlags invokeAttr, Binder binder, Object[] index, CultureInfo culture)
   at System.Reflection.RuntimePropertyInfo.SetValue(Object obj, Object value, Object[] index)
   at Trinity.Config.TrinitySetting.CopyTo[T](ITrinitySetting`1 source, ITrinitySetting`1 destination, IEnumerable`1 ignorePropertyNames)