Update

Assets/Scripts/Network/BasicSpawner.cs

@@ -72,8 +72,13 @@ namespace Hallucinate.UI
                         await _runner.Shutdown();
                     }
 
-                    Debug.Log("[BasicSpawner] Destroying existing runner component.");
-                    Destroy(_runner);
+                    // Check if it still exists (Unity pseudo-null check)
+                    if (_runner != null)
+                    {
+                        // Only log if it's actually a valid object to destroy
+                        // If it's already marked for destruction, Unity == null will be true soon
+                        Destroy(_runner);
+                    }
                     _runner = null;
 
                     await Task.Yield();
@@ -84,6 +89,8 @@ namespace Hallucinate.UI
                 }
             }
 
+            if (this == null) return; // BasicSpawner itself might be destroyed
+
             Debug.Log("[BasicSpawner] Creating new NetworkRunner component.");
             _runner = gameObject.AddComponent<NetworkRunner>();
             _runner.ProvideInput = true;
@@ -118,7 +125,12 @@ namespace Hallucinate.UI
 
         public async Task<bool> StartHost(string sessionName, string displayName, string password = null)
         {
-            if (_isStarting) return false;
+            // Wait for any existing startup process (like StartLobby) to finish
+            while (_isStarting)
+            {
+                await Task.Yield();
+            }
+
             _isStarting = true;
 
             try