Description:
When we create a sub-object with the 'Copy Enable' option set, and then go to the Main Application and try to create a new sub-object instance, the [Copy From] link is not displayed.
Solution:
The [Copy From] feature is not available on the List View nor on the Sub-Object's "Create" layout page. The [Copy From] link only appears on the Sub-Object's "Edit" layout page.
Use the steps below to copy a Sub-Object instance record from another existing sub-object instance: