How To Fix CNV_20100451 - In table RFDT, &2 G/L accounts were changed for &1 rel. reference numbers

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20100 - Messageclass for chart of account conversion

• Message number: 451

• Message text: In table RFDT, &2 G/L accounts were changed for &1 rel. reference numbers

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20100451 - In table RFDT, &2 G/L accounts were changed for &1 rel. reference numbers ?

  The SAP error message CNV_20100451 typically relates to data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This specific error indicates that there have been changes to General Ledger (G/L) accounts in the RFDT table, which is part of the financial data structure in SAP.
  Cause:
  The error message CNV_20100451 occurs when there are discrepancies or changes in the G/L accounts associated with the reference numbers during a data migration or conversion process. This can happen due to:
  
  Data Mapping Issues: The mapping of old G/L accounts to new G/L accounts may not be correctly defined.
  Inconsistent Data: The data in the source system may have inconsistencies or errors that lead to changes in G/L accounts.
  Configuration Changes: Changes in the configuration of G/L accounts in the target system that do not align with the source data.
  Duplicate Entries: There may be duplicate or conflicting entries in the RFDT table that cause issues during the migration.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  Review Mapping: Check the mapping of G/L accounts in the migration tool. Ensure that all old G/L accounts are correctly mapped to the new G/L accounts.
  Data Validation: Validate the data in the source system to ensure there are no inconsistencies or errors. This may involve running reports or using data quality tools.
  Check Configuration: Review the configuration of G/L accounts in the target system to ensure they are set up correctly and match the expected structure.
  Consult Logs: Look at the migration logs for more detailed information about the changes and any specific records that are causing the issue.
  Adjust Data: If necessary, adjust the data in the source system or the mapping in the migration tool to resolve any discrepancies.
  Testing: After making changes, perform a test migration to ensure that the issue is resolved before proceeding with the full migration.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or fixes related to this error message.
  Documentation: Review the documentation for the migration tool you are using, as it may contain specific instructions for handling G/L account changes.
  Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who specializes in data migration.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.