Any ideas? We have a workaround for now where assign a new observable collection to the property but would rather clear.
System.ArgumentOutOfRangeException: Specified argument was out of the range of valid values.
Parameter name: index
at Telerik.Windows.Controls.GridView.GridViewDataControl.CommitCurrentEdit(GridViewRow gridViewRow)
at Telerik.Windows.Controls.GridView.GridViewDataControl.PerformRowEditEnded(GridViewCell currentCell)
at Telerik.Windows.Controls.GridView.GridViewDataControl.CommitCellEdit(GridViewCell currentCell, Boolean isLeavingRow)
at Telerik.Windows.Controls.GridView.GridViewDataControl.OnItemsChanged(NotifyCollectionChangedEventArgs e)
at Telerik.Windows.Controls.GridView.BaseItemsControl.OnItemCollectionChanged(Object sender, NotifyCollectionChangedEventArgs e)
at System.Collections.Specialized.NotifyCollectionChangedEventHandler.Invoke(Object sender, NotifyCollectionChangedEventArgs e)
at Telerik.Windows.Data.DataItemCollection.OnCollectionViewCollectionChanged(NotifyCollectionChangedEventArgs e)
at Telerik.Windows.Data.QueryableCollectionView.RefreshOverride()
at Telerik.Windows.Data.QueryableCollectionView.RefreshInternal()
at System.Collections.ObjectModel.ObservableCollection`1.OnCollectionChanged(NotifyCollectionChangedEventArgs e)
(More that was removed, but entry point from our code)