Slitherine

Hi, i've attempt to trye the DAG game Ghaznavids (me) vs Abbasid or Later Abbasid (i.e.) but
the game has given the following message of error in both cases:

OutOfBoundsException
1.7.1 2011 11 30 win
{}
{0}
uiplayer.s.armygenerator.AIChoice.SelectTroops o uiplayer.s.armygenerator.AIChoice
uiplayer.s.armygenerator.AIChoice.Constructor o uiplayer.s.armygenerator.AIChoice i4i4o uiplayer.s.armygenerator.ArmyBook
uiplayer.s.armygenerator.ArmyBookImp.armyChoiceAI o uiplayer.s.armygenerator.ArmyChoice o uiplayer.s.armygenerator.ArmyBookImp i4i4
uiplayer.s.NewArmyGeneratorGameWindow.NewArmyGeneratorGame o uiplayer.s.NewArmyGeneratorGameWindow
uiplayer.s.NewArmyGeneratorGameWindow.blnHandleCommand b o uiplayer.s.NewArmyGeneratorGameWindow 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