How To Fix /BOBF/FRW_CONTRACT028 - Key conflict in legacy DAC

SAP Error Message - Details

• Message type: E = Error

• Message class: /BOBF/FRW_CONTRACT -

• Message number: 028

• Message text: Key conflict in legacy DAC

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /BOBF/FRW_CONTRACT028 - Key conflict in legacy DAC ?

  The SAP error message /BOBF/FRW_CONTRACT028 Key conflict in legacy DAC typically occurs in the context of the Business Object Processing Framework (BOPF) when there is a conflict with the keys in the legacy Data Access Component (DAC). This can happen during data migration or when integrating legacy systems with SAP S/4HANA or other SAP applications.
  Cause:
  
  Key Conflicts: The error indicates that there are duplicate keys or conflicting entries in the legacy data that are being processed. This can happen if the same key is being used for multiple records, which violates the uniqueness constraint expected by the BOPF framework.
  Data Migration Issues: If data is being migrated from a legacy system, inconsistencies or duplicates in the data can lead to this error.
  Incorrect Configuration: Misconfiguration in the BOPF or DAC settings can also lead to key conflicts.
  
  Solution:
  
  Identify Duplicates: Check the legacy data for duplicate entries or conflicting keys. You may need to run queries or reports to identify these duplicates.
  Data Cleansing: Cleanse the data to ensure that all keys are unique. This may involve merging records, renaming keys, or removing duplicates.
  Adjust Data Migration Logic: If this error occurs during a data migration process, review the logic used to extract and load data. Ensure that it handles duplicates appropriately.
  Review BOPF Configuration: Check the configuration of the BOPF and DAC to ensure that they are set up correctly and that the key definitions are accurate.
  Testing: After making changes, conduct thorough testing to ensure that the issue is resolved and that no new conflicts arise.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or patches related to this error.
  BOPF Documentation: Review the official SAP documentation on BOPF and DAC for best practices and guidelines on handling key conflicts.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after following these steps, it may be beneficial to consult with SAP support or a technical consultant who specializes in BOPF and data migration.