Changing the attribute set type
By enabling user-defined attribute sets, you can add and use more attribute sets than before. You can also change the type of system attribute sets to user defined attribute sets.
* 
Once you have changed the type of an attribute set, you cannot switch back.
Procedure
1. First, you make the action available on the layout. Go to Layouts and select Attribute sets.
2. Go to Layouts level and set the layout Under construction.
3. Under Actions, add Change type to the layout.
4. Save the changes and click Completed.
5. Log out and log in to the application.
The Change type action is now available for use.
6. Go to Attributes, select the system attribute set that you want to change and click Change type in the action panel.
The Change type dialog is displayed.
7. Select a new user-defined attribute set and click OK.
You can click Change type again, but you cannot revert to a system attribute set.