Changing Formula and Script Components from Shared to Not Shared
Before you change a shared formula or script component to not shared, you must ensure that it is not used in more than one business rule or template. You can use the Show Usages feature to see which business rules and templates use the formula or script component. (See Showing the Usages of Formula and Script Components.) Then you can create copies of the shared component for each business rule and template in which it is used by clearing the Shared check box for the component from within the rules and templates.
To change a formula or script component from shared to not shared: