How To Fix CNV_NCE_BAS017 - Mapping tables are inconsistent

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 017

• Message text: Mapping tables are inconsistent

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_NCE_BAS017 - Mapping tables are inconsistent ?

  The SAP error message CNV_NCE_BAS017 indicates that there are inconsistencies in the mapping tables used during a data conversion or migration process. This error typically arises in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other conversion tools.
  Cause:
  
  Inconsistent Data: The mapping tables may have entries that do not match the expected format or values. This can happen if the source data has been modified or if there are discrepancies in the mapping logic.
  Missing Entries: Required entries in the mapping tables may be missing, leading to incomplete or incorrect mappings.
  Configuration Issues: Incorrect configuration settings in the migration tool can lead to inconsistencies in how data is mapped.
  Version Mismatch: If the mapping tables are from different versions of the software or migration tool, this can lead to inconsistencies.
  
  Solution:
  
  Check Mapping Tables: Review the mapping tables for any inconsistencies. Ensure that all required entries are present and that the data formats are correct.
  Validate Source Data: Ensure that the source data being migrated is clean and consistent. Look for any anomalies or discrepancies that could affect the mapping.
  Reconfigure Migration Settings: If there are configuration issues, revisit the settings in the migration tool to ensure they are correctly set up for your specific migration scenario.
  Update or Repair Mapping Tables: If you find missing or incorrect entries, update or repair the mapping tables as necessary. This may involve adding missing mappings or correcting existing ones.
  Consult Documentation: Refer to the official SAP documentation for the migration tool you are using. There may be specific guidelines or troubleshooting steps related to this error.
  Seek Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Migration Cockpit Documentation: Review the documentation for the SAP S/4HANA Migration Cockpit or the specific tool you are using for any known issues or best practices.
  Community Forums: Engage with the SAP Community or other forums where users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to identify and resolve the inconsistencies in the mapping tables that are causing the CNV_NCE_BAS017 error.