Lament script error

[2021.01.08-08.49.04:269][537]ConanSandbox:Warning: AConanPlayerController::Possess - Calling BattlEye::PlayerPossessed(this)
[2021.01.08-08.49.04:319][537]

Script Stack:
00_BP_AC_BuffSystem_C.addBuff
AC_Lament_InjurySystem_C.ExecuteUbergraph_AC_Lament_InjurySystem
AC_Lament_InjurySystem_C.RefreshLamentBuffs
AC_Lament_InjurySystem_C.ExecuteUbergraph_AC_Lament_InjurySystem
AC_Lament_InjurySystem_C.RegisterLamentStone
Lament_Stone_C.ExecuteUbergraph_Lament_Stone
Lament_Stone_C.LamentStoneBeginOverlap
Lament_Stone_C.ExecuteUbergraph_Lament_Stone
Lament_Stone_C.BndEvt__LamentTriggerSphere_K2Node_ComponentBoundEvent_1_ComponentBeginOverlapSignature__DelegateSignature
SuspendableInterface.ReceiveOnResume
SuspendableInterface.ReceiveOnLODChanged
FunCombat_PlayerController_C.ExecuteUbergraph_FunCombat_PlayerController
FunCombat_PlayerController_C.New_RepossessCharacter
FunCombat_PlayerController_C.ExecuteUbergraph_FunCombat_PlayerController
FunCombat_PlayerController_C.CreateOrSpawnCharacter
FunCombat_PlayerController_C.ExecuteUbergraph_FunCombat_PlayerController
FunCombat_PlayerController_C.OnSuccess_759F9DD647FA19DEC0F4D7B68EB10DA5

[2021.01.08-08.49.04:493][537]LogWindows:Error: === Critical error: ===
[2021.01.08-08.49.04:493][537]LogWindows:Error:
[2021.01.08-08.49.04:493][537]LogWindows:Error: Fatal error!
[2021.01.08-08.49.04:493][537]LogWindows:Error:
[2021.01.08-08.49.04:494][537]LogWindows:Error: Unhandled Exception: EXCEPTION_ACCESS_VIOLATION writing address 0x00000000
[2021.01.08-08.49.04:494][537]LogWindows:Error:
[2021.01.08-08.49.04:494][537]LogWindows:Error: !0x0000000000000000
[2021.01.08-08.49.04:494][537]LogWindows:Error:
[2021.01.08-08.49.04:505][537]LogExit: Executing StaticShutdownAfterError
[2021.01.08-08.49.05:076][537]LogWindows: FPlatformMisc::RequestExit(1)
[2021.01.08-08.49.05:076][537]Log file closed, 01/08/21 16:49:05