How To Fix CNV_21521012 - Multiple lines with old employee group &1

CNV_21521012 - Overview

• Message type: E = Error

• Message class: CNV_21521 - Employee Group Rename

• Message number: 012

• Message text: Multiple lines with old employee group &1

Self-Explanatory Message

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CNV_21521012 - Details

• The SAP error message CNV_21521012, which indicates "Multiple lines with old employee group &1," typically arises during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error suggests that there are multiple entries in the source data that share the same old employee group identifier, which can lead to conflicts or inconsistencies during the migration process.
  
  Cause:
  
  Duplicate Entries: The primary cause of this error is the presence of duplicate entries in the source data for the specified old employee group. This can happen if the data was not properly cleansed or if there are multiple records for the same employee group in the legacy system.
  Data Mapping Issues: There may be issues with how the old employee groups are mapped to the new structure in the target system.
  Inconsistent Data: The data may not be consistent across different records, leading to confusion during the migration.
  
  
  Solution:
  
  Data