How To Fix CNV_21523015 - For personnel area &1, old and new personnel subareas &2 are identical

CNV_21523015 - Overview

• Message type: E = Error

• Message class: CNV_21523 - Personnel Subarea Rename

• Message number: 015

• Message text: For personnel area &1, old and new personnel subareas &2 are identical

Self-Explanatory Message

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CNV_21523015 - Details

• The SAP error message CNV_21523015 indicates that there is an issue with the personnel area and personnel subareas during a data migration or conversion process. Specifically, the error states that for the specified personnel area, the old and new personnel subareas are identical, which is not allowed in the context of the operation being performed.
  
  Cause:
  This error typically occurs during data migration or conversion activities, such as when using the SAP S/4HANA Migration Cockpit or other data transfer tools. The cause of the error is that the system is trying to map an old personnel subarea to a new personnel subarea, but both are the same. This can happen due to:
  
  Incorrect Mapping: The mapping configuration may have been set up incorrectly, leading to the same subarea being assigned as both old and new.
  Data Duplication: There may be duplicate entries in the data being migrated, causing the system to interpret them as