Error im getting.

ok, im on the "heavy gunner" mission and every time i try to shoot the minigun i get this error code

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OS: Windows NT 6.1 (Build: 7601)
CPU: GenuineIntel Unknown processor @ 2793 MHz with 2047MB RAM
Video: Intel(R) 82945G Express Chipset Family (1930)

MountedWeaponA Save.MountedWeaponA1 (Function AdvancedEngine.AdvancedWeapon.NeedsToReload:0001) Runaway loop detected (over 1000000 iterations)

History: FFrame::Serialize <- UObject::ProcessEvent <- (MountedWeaponA Save.MountedWeaponA1, Function AdvancedEngine.AdvancedWeapon.Reloading.BeginState ) <- UObject::GotoState <- AActor::ProcessState <- Object MountedWeaponA Save.MountedWeaponA1, Old State State AdvancedEngine.AdvancedWeapon.Idle, New State State AdvancedEngine.AdvancedWeapon.Reloading <- AActor::Tick <- TickAllActors <- ULevel::Tick <- (NetMode=0) <- TickLevel <- UGameEngine::Tick <- UpdateWorld <- MainLoop