Honnorbuddy bot stop

Hi , i used honorbuddy for a long time but these day the bot stop sometimes for no reasons, like 20 min after i start it .
Here is the log of the error :
[10:20:32.646 Q] Shutting down in 20 seconds
[10:20:32.651 D] Exception was thrown in BotBase.Stop
[10:20:32.672 D] System.Exception: Seule une partie d’une requête ReadProcessMemory ou WriteProcessMemory a été effectuée, at addr: 00000000, Size: 4
at GreyMagic.ExternalProcessMemory.ReadByteBuffer(IntPtr addr, Void* buffer, Int32 count)
at GreyMagic.MemoryBase.Read[T](IntPtr addr)
at Styx.StyxWoW.get_WorldScene()
at Styx.Pathing.MeshNavigator.UpdateMaps()
at Bots.BGBuddy.BGBuddy.Stop()
at Styx.CommonBot.TreeRoot.
(Action , String , Boolean )
[10:20:32.675 D] Handler for OnBotStopped threw exception!
[10:20:32.678 D] System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Exception: Seule une partie d’une requête ReadProcessMemory ou WriteProcessMemory a été effectuée, at addr: 00000000, Size: 4
at GreyMagic.ExternalProcessMemory.ReadByteBuffer(IntPtr addr, Void* buffer, Int32 count)
at GreyMagic.MemoryBase.Read[T](IntPtr addr)
at Styx.WoWInternals.Lua.get_State()
at Styx.WoWInternals.LuaEvents.
()
at Styx.WoWInternals.LuaEvents.(EventArgs )
--- End of inner exception stack trace ---
at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
at System.Delegate.DynamicInvokeImpl(Object[] args)
at Styx.CommonBot.BotEvents.
(Delegate , Action`1 , Object[] )
[10:20:32.680 D] Activity: Honorbuddy Stopped


thank you for your help .
Ps: i didn t found any thread about that error .