Slitherine

I am playing in an multiplayer game and I am have just openned the latest turn and pressed the replay button and I get this message:

NullPointerException
1.8.1 2012 07 10 win
{}
{0}
gamelogic.s.AncientsMovePathImp.movePathGrow o gamelogic.s.AncientsMovePathImp o gamelogic.s.AncientsMovePathImp i4i4i4
gamelogic.s.AncientsMovePathImp.movePathGrow o gamelogic.s.AncientsMovePathImp o gamelogic.s.AncientsMovePathImp i4i4
gamelogic.LogicImp.blnPathFindBestFirst b o Dictionary i4o gamelogic.BestFirstMovePath
gamelogic.s.LogicalUnitImp.FindPossibleMoveDestinations o gamelogic.s.LogicalUnitImp
gamelogic.s.LogicalUnitImp.FindPossibleOrders o gamelogic.s.LogicalUnitImp o gamelogic.s.FogOfWarCalculator
gamelogic.s.PlayLogicImp.UpdateAvailableOrders o gamelogic.s.PlayLogicImp
gamelogic.s.PlayLogicImp.ActionNotify o gamelogic.s.PlayLogicImp o gameinstance.Action
gamelogic.LogicImp.ActionNotify o gamelogic.LogicImp o gameinstance.Action
gameinstance.GameManagerImp.RecordAction o gameinstance.GameManagerImp o gameinstance.Action o gameinstance.PlayerTurnImp
gameinstance.GameManagerImp.ReplayLastPlayerTurn o gameinstance.GameManagerImp o gameinstance.Player
uiplayer.UIImp.blnHandleCommand b o uiplayer.UIImp o uiplayer.Command
uiplayer.Command.Dispatch o uiplayer.Command
uiplayer.Command.Enqueue o uiplayer.Command
uiplayer.Command.ParseAndEnqueue s
uiplayer.TMessageDialogButton.Action o uiplayer.TMessageDialogButton
uiplayer.TMessageDialog.blnHandleCommand b o uiplayer.TMessageDialog o uiplayer.Command
uiplayer.htk.GraphicsArea.blnHandleCommand b o uiplayer.htk.GraphicsArea o uiplayer.Command
uiplayer.Command.Dispatch o uiplayer.Command
uiplayer.Command.Enqueue o uiplayer.Command
uiplayer.Command.ParseAndEnqueue s
uiplayer.htk.TButtonImp.MouseUp o uiplayer.htk.TButtonImp i4i4
uiplayer.htk.TWindowImp.MouseUp o uiplayer.htk.TWindowImp i4i4
uiplayer.htk.GraphicsArea.Event MouseUp o uiplayer.htk.GraphicsArea i4i4
Delegate.Invoke
Application. CallFunctionWithExceptionHandling o Application p
Main
main

Thank you,
Colin Boulain