System.ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection. (Parameter 'index')
   at ObservableCollections.FiltableSynchronizedViewList`2.get_Item(Int32 index)
   at ObservableCollections.NotifyCollectionChangedSynchronizedViewList`2.System.Collections.IList.get_Item(Int32 index)
   at DevExpress.Xpf.Editors.Helpers.PlainDataView.ProcessAddItem(Int32 index)
   at DevExpress.Xpf.Editors.Helpers.DataView.ProcessChangeSource(ListChangedEventArgs e)
   at DevExpress.Xpf.Editors.Helpers.DataController.ItemsSourceListChanged(Object sender, ListChangedEventArgs e)
   at DevExpress.Data.Utils.WeakEventHandler`3.OnEvent(Object source, TEventArgs eventArgs)
   at DevExpress.Data.Helpers.BindingListAdapterBase.OnSourceCollectionChanged(Object sender, NotifyCollectionChangedEventArgs e)
   at DevExpress.Data.Utils.WeakEventHandler`3.OnEvent(Object source, TEventArgs eventArgs)
   at ObservableCollections.NotifyCollectionChangedSynchronizedViewList`2.RaiseChangedEvent(NotifyCollectionChangedEventArgs e)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)