diff --git a/Source/Editor/CustomEditors/Editors/IntegerEditor.cs b/Source/Editor/CustomEditors/Editors/IntegerEditor.cs
index 651310349..3cadedc3c 100644
--- a/Source/Editor/CustomEditors/Editors/IntegerEditor.cs
+++ b/Source/Editor/CustomEditors/Editors/IntegerEditor.cs
@@ -338,7 +338,7 @@ namespace FlaxEditor.CustomEditors.Editors
         protected abstract ulong GetValue(object value);
 
         /// <summary>
-        /// Gets the value from long.
+        /// Sets the value from long.
         /// </summary>
         /// <param name="value">The value from editor.</param>
         /// <returns>The value to object.</returns>
diff --git a/Source/Editor/Surface/Archetypes/Constants.cs b/Source/Editor/Surface/Archetypes/Constants.cs
index 4591459f1..b94bc34cb 100644
--- a/Source/Editor/Surface/Archetypes/Constants.cs
+++ b/Source/Editor/Surface/Archetypes/Constants.cs
@@ -47,7 +47,8 @@ namespace FlaxEditor.Surface.Archetypes
                 base.OnShowSecondaryContextMenu(menu, location);
 
                 menu.AddSeparator();
-                menu.AddButton("Convert to Parameter", OnConvertToParameter);
+                var b = menu.AddButton("Convert to Parameter", OnConvertToParameter);
+                b.Enabled = Surface.Owner is IVisjectSurfaceWindow window && Surface.Owner.SurfaceAsset && window.NewParameterTypes.Contains(_type);
             }
 
             private void OnConvertToParameter()
@@ -122,8 +123,7 @@ namespace FlaxEditor.Surface.Archetypes
 
             private bool OnParameterRenameValidate(string value)
             {
-                if (Surface.Owner is not IVisjectSurfaceWindow window)
-                    throw new Exception("Surface owner is not a Visject Surface Window");
+                var window = (IVisjectSurfaceWindow)Surface.Owner;
                 return !string.IsNullOrWhiteSpace(value) && window.VisjectSurface.Parameters.All(x => x.Name != value);
             }
         }