Unhappy interaction with Deep Freeze? about ksp-recall HOT 5 CLOSED

[LOG 20:05:21.374] PartLoader: Compiling Part 'REPOSoftTech/DeepFreeze/Parts/CRY0300Freezer/CRY-0300Freezer'
[LOG 20:05:21.401] DeepFreezer OnDestroy
[EXC 20:05:21.409] NullReferenceException: Object reference not set to an instance of an object
        DF.DeepFreezer.OnDestroy () (at <72233efaa3ee4936a15201f98fac7b68>:0)
        UnityEngine.DebugLogHandler:LogException(Exception, Object)
        KSPe.Util.Log.UnityLogDecorator:UnityEngine.ILogHandler.LogException(Exception, Object)
        ModuleManager.UnityLogHandle.InterceptLogHandler:LogException(Exception, Object)
        UnityEngine.Object:DestroyImmediate(Object)
        PartLoader:StripComponent(GameObject)
        PartLoader:CreatePartIcon(GameObject, Single&)
        PartLoader:ParsePart(UrlConfig, ConfigNode)
        <CompileParts>d__56:MoveNext()
        UnityEngine.SetupCoroutine:InvokeMoveNext(IEnumerator, IntPtr)

        protected void OnDestroy()
        {
            Utilities.Log("OnDestroy");
            Instance = null;
            APIReady = false;
            foreach (Component child in children)
            {
                Utilities.Log("DeepFreeze Child Destroy for " + child.name);
                Destroy(child);
            }
            children.Clear();
            DeepFreezeEventRem();
            GameEvents.onGameSceneLoadRequested.Remove(OnGameSceneLoadRequested);
            GameEvents.OnGameSettingsApplied.Remove(ApplySettings);
        }

        private void OnDestroy()
        {
            //Remove GameEvent callbacks.
            Debug.Log("DeepFreezer OnDestroy");
            
                GameEvents.onCrewTransferPartListCreated.Remove(onCrewTransferPartListCreated);
                GameEvents.onCrewTransferred.Remove(onCrewTransferred);
                GameEvents.onVesselChange.Remove(OnVesselChange);
                GameEvents.onCrewBoardVessel.Remove(OnCrewBoardVessel);
                GameEvents.onCrewOnEva.Remove(onCrewOnEva);
                GameEvents.onVesselDestroy.Remove(onVesselDestroy);
                GameEvents.OnCameraChange.Remove(OnCameraChange);
                GameEvents.onVesselGoOffRails.Remove(onVesselGoOffRails);
                GameEvents.onVesselCrewWasModified.Remove(OnVesselCrewModified);
                DFGameEvents.onKerbalFrozen.Remove(OnKerbalFreezeThaw);     // <— HERE!!!
                DFGameEvents.onKerbalThaw.Remove(OnKerbalFreezeThaw);
                GameEvents.onVesselSwitching.Remove(OnVesselSwitching);
                if (onATPPodSettingChanged != null)
                {
                    onATPPodSettingChanged.Remove(OnATPPodSettingChanged);
                }
            
            Debug.Log("DeepFreezer END OnDestroy");
        }