Critical eror

Quand je lance sur internet Raven shield

OS: Windows XP 5.1 (Build: 2600)
CPU: AuthenticAMD PentiumPro-class processor @ 1666 MHz with 1023MB RAM
Video: RADEON 9600 SERIES (6396)

R6WindowServerListBox Transient.R6WindowServerListBox0 (Function UWindow.UWindowListControl.GetItemAtIndex:0060) Runaway loop detected (over 1000000 iterations)

History: FFrame::Serialize <- UObject::ProcessEvent <- (InteractionMaster Transient.InteractionMaster0, Function Engine.InteractionMaster.Process_PostRender) <- UInteractionMaster::MasterProcessPostRender <- UGameEngine::Draw <- UWindowsViewport::Repaint <- UWindowsClient::Tick <- ClientTick <- UGameEngine::Tick <- UpdateWorld <- MainLoop

et sboum plantage de jeu et ca me fé une NTDLR ereur . merci de m'aider !