Getting the following message when I try to move (re-arrange) links:

Message: Unhandled Error in Silverlight 2 Application non-adjacent tiles in Tile.Merge! at MindFusion.Diagramming.Silverlight.xc936000c38c607ad.xd5da23b762ce52a2(xc936000c
38c607ad x5b638710c8a06ddb, xc936000c38c607ad x8787e6023984f4dd)

at MindFusion.Diagramming.Silverlight.xffad31903f97fee6.x260baf72fdd85c7c()

at MindFusion.Diagramming.Silverlight.xffad31903f97fee6.x078a0d51c3d77428(Diagram x8b62359f01cfd806)

at MindFusion.Diagramming.Silverlight.QuickRouter.RouteLinks(DiagramLinkCollection links)

at MindFusion.Diagramming.Silverlight.QuickRouter.Resume(Boolean routeDeferredLinks)

at MindFusion.Diagramming.Silverlight.InteractionState.Commit(Point currentPoint)

at MindFusion.Diagramming.Silverlight.BehaviorBase.OnMouseUp(MouseButtonEventArgs e)

at MindFusion.Diagramming.Silverlight.Diagram.x66c89b500bffc63d(Object xe0292b9ed559da7d, MouseButtonEventArgs xfbf34718e704c6bc)

at System.Windows.CoreInvokeHandler.InvokeEventHandler(Int32 typeIndex, Delegate handlerDelegate, Object sender, Object args)

at MS.Internal.JoltHelper.FireEvent(IntPtr unmanagedObj, IntPtr unmanagedObjArgs, Int32 argsTypeIndex, String eventName)

Line: 1

Char: 1

Code: 0

Thoughts on what might be causing this?

Thanks for all your help,

Mark
Goolara, LLC