Message type: E = Error
Message class:  CNV_21523 - Personnel Subarea Rename 
Message number: 020
Message text: Personnel area &1 and personnel subarea &2 not defined in T001P
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The SAP error message CNV_21523020 indicates that there is an issue with the configuration of personnel areas and personnel subareas in the system. Specifically, the error states that the personnel area (&1) and personnel subarea (&2) are not defined in the table T001P, which is the table that stores the definitions of personnel areas and subareas in SAP.
Cause: Missing Configuration: The personnel area and/or personnel subarea you are trying to use has not been defined in the system. Data Migration Issues: If you are performing a data migration or conversion, the data being imported may reference personnel areas or subareas that do not exist in the target system. Typographical Errors: There may be a typo in the personnel area or subarea codes being used in the transaction or program.
Solution: Check Configuration: Go to the SAP transaction code SPRO (SAP Reference IMG). Navigate to Personnel Management -> Personnel Administration -> Organizational Data -> Define Personnel Areas and
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