The description saids 'Typically'.
In 9.3.6 "Precondition: The individual VNF package resource has been created, the operational state of the VNF package is DISABLED, and the usage state of the VNF package is NOT_IN_USE. "
I think it is OK to return 409 Conflict when operational-state/usage-state is other than DISABLED/NOT_IN_USE.
The description saids 'Typically'. state/usage- state is other than DISABLED/ NOT_IN_ USE.
In 9.3.6 "Precondition: The individual VNF package resource has been created, the operational state of the VNF package is DISABLED, and the usage state of the VNF package is NOT_IN_USE. "
I think it is OK to return 409 Conflict when operational-