2024-07-23 15:16:53.285 - Thread:   1 ->  ERROR: Failed to cleanly unload session:
2024-07-23 15:16:53.291 - Thread:   1 ->     at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Sandbox.Game.World.MySessionLoader.Unload()
   at Sandbox.Game.World.MySessionLoader.UnloadAndExitToMenu()
   at Sandbox.Engine.Multiplayer.MyMultiplayerLobby.Matchmaking_LobbyChatUpdate(IMyLobby lobby, UInt64 changedUser, UInt64 makingChangeUser, MyChatMemberStateChangeEnum stateChange, MyLobbyStatusCode reason)
   at VRage.Steam.MySteamLobby.HandleChatUpdated(LobbyChatUpdate_t result)
   at Steamworks.Callback`1.OnRunCallback(IntPtr pvParam)
   at Steamworks.CallbackDispatcher.RunFrame(Boolean isGameServer)
   at VRage.Steam.MySteamService.Update()
   at Sandbox.Engine.Networking.MyGameService.Update()
   at Sandbox.MySandboxGame.Update()
   at Sandbox.Engine.Platform.Game.UpdateInternal()
   at Sandbox.Engine.Platform.Game.RunSingleFrame()
   at Sandbox.Engine.Platform.FixedLoop.<>c__DisplayClass11_0.<Run>b__0()
   at Sandbox.Engine.Platform.GenericLoop.Run(VoidAction tickCallback)
   at Sandbox.Engine.Platform.Game.RunLoop()
   at Sandbox.MySandboxGame.Run(Boolean customRenderLoop, Action disposeSplashScreen)
   at SpaceEngineers.MyProgram.Main(String[] args)
2024-07-23 15:16:53.293 - Thread:   1 ->  Exception occurred: VRage.Game.ModAPI.ModCrashedException: Mod crashed! ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at Sisk.BuildColors.Mod.SaveServerMemory()
   at Sisk.BuildColors.Mod.UnloadData()
   at Sandbox.Game.World.MySession.UnloadDataComponents(Boolean beforeLoadWorld)
   --- End of inner exception stack trace ---
   at Sandbox.Game.World.MySession.UnloadDataComponents(Boolean beforeLoadWorld)
   at Sandbox.Game.World.MySession.Unload()
   at Sandbox.Game.World.MySessionLoader.Unload()
2024-07-23 15:16:53.293 - Thread:   1 ->  InnerException:
2024-07-23 15:16:53.293 - Thread:   1 ->  Exception occurred: System.NullReferenceException: Object reference not set to an instance of an object.
   at Sisk.BuildColors.Mod.SaveServerMemory()
   at Sisk.BuildColors.Mod.UnloadData()
   at Sandbox.Game.World.MySession.UnloadDataComponents(Boolean beforeLoadWorld)