SAP Message SB313 - Object unchanged in the reference correction, do not need to copy changes

Diagnosis The object has not been changed since the last time changes were copied,or since it was included in the reference correction. This means thatthere are no changes to be copied. System Response Remember that changes to the same object can be copied several timeswithin a single corrective measure. This means that you can make achange in the reference correction system, copy this change, then changethe object again and copy this change as well. The SAP system copiesonly those changes that have been made in the reference correctionsystem since the last time changes were copied.