How To Fix CNV_NCE_BAS269 - NR interval &1: ambiguous mapping values could not be loaded

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 269

• Message text: NR interval &1: ambiguous mapping values could not be loaded

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_NCE_BAS269 - NR interval &1: ambiguous mapping values could not be loaded ?

  The SAP error message CNV_NCE_BAS269 indicates that there is an issue with loading mapping values for a specific interval in a conversion process, typically related to data migration or transformation tasks. The error message states that there are "ambiguous mapping values" for the specified interval, which means that the system has encountered multiple potential mappings for the same source value, leading to confusion about which mapping to apply.
  Causes:
  
  Duplicate Mapping Entries: There may be multiple entries in the mapping table for the same source value, which creates ambiguity.
  Incorrect Configuration: The mapping configuration may not be set up correctly, leading to conflicts in how values are interpreted.
  Data Quality Issues: The source data may contain inconsistencies or duplicates that were not accounted for during the mapping setup.
  Changes in Source Data: If the source data has changed after the mapping was defined, it may lead to situations where the mapping no longer applies correctly.
  
  Solutions:
  
  
  Review Mapping Configuration:
  
  Check the mapping table or configuration to identify any duplicate entries for the specified interval. Ensure that each source value has a unique mapping.
  
  
  
  Data Cleansing:
  
  Clean the source data to remove duplicates or inconsistencies that could lead to ambiguous mappings. This may involve deduplication or standardization of values.
  
  
  
  Adjust Mapping Logic:
  
  If necessary, modify the mapping logic to handle cases where multiple mappings might exist. This could involve creating more specific rules or conditions for mapping.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific conversion process you are using. There may be specific guidelines or best practices for handling mapping issues.
  
  
  
  Testing:
  
  After making changes, conduct thorough testing to ensure that the mappings are now functioning as expected and that the error does not recur.
  
  
  
  Seek Support:
  
  If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific scenario.
  
  
  
  Related Information:
  
  Transaction Codes: Depending on the context of the error, you may need to use specific transaction codes related to data migration or conversion (e.g., LSMW, LTMC).
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the root cause of the CNV_NCE_BAS269 error and implement a solution to resolve it.