fix???

StateManagement/Observers/Observer.cs

@@ -128,6 +128,31 @@ namespace KCM.StateManagement.Observers
             if (this.state == null)
                 return;
 
+            // Unity uses "fake null" for destroyed objects. Since our state is stored as object,
+            // we must explicitly detect that case to avoid exceptions + log spam.
+            try
+            {
+                UnityEngine.Object unityObj = this.state as UnityEngine.Object;
+                if (this.state is UnityEngine.Object && unityObj == null)
+                {
+                    try { StateObserver.observers.Remove(this.state.GetHashCode()); } catch { }
+                    try
+                    {
+                        if (observerObject != null)
+                            UnityEngine.Object.Destroy(observerObject);
+                        else
+                            UnityEngine.Object.Destroy(this.gameObject);
+                    }
+                    catch
+                    {
+                    }
+                    return;
+                }
+            }
+            catch
+            {
+            }
+
             if (!(currentMs - lastUpdate > updateInterval)) // Don't run if the update interval hasn't passed (default 100 milliseconds);
                 return;