How To Fix CNV_NCE_BAS116 - 1:1 mapping values for &1 could conflict with an existing number (no. &3)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 116

• Message text: 1:1 mapping values for &1 could conflict with an existing number (no. &3)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_NCE_BAS116 - 1:1 mapping values for &1 could conflict with an existing number (no. &3) ?

  The SAP error message CNV_NCE_BAS116 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is a conflict in the mapping of values, specifically that a 1:1 mapping for a certain value (represented by &1) could potentially conflict with an existing number (represented by &3).
  Cause:
  The error is usually caused by one of the following scenarios:
  
  Duplicate Values: The value you are trying to map already exists in the target system, leading to a conflict.
  Mapping Configuration: The mapping configuration may not be set up correctly, causing the system to attempt to assign a value that is already in use.
  Data Integrity Issues: There may be issues with the source data that lead to conflicts when trying to map to the target system.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Values: Verify if the value you are trying to map (&1) already exists in the target system. If it does, you may need to choose a different value or adjust your mapping strategy.
  
  
  Adjust Mapping Configuration: Review the mapping configuration in the migration tool. Ensure that the mappings are set up correctly and that there are no unintended overlaps.
  
  
  Data Cleansing: If the source data contains duplicates or conflicts, consider cleansing the data before migration. This may involve removing duplicates or adjusting values to ensure they are unique.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using. There may be additional guidelines or best practices for handling mapping conflicts.
  
  
  Use a Different Mapping Strategy: If a 1:1 mapping is not feasible due to conflicts, consider using a different mapping strategy, such as a 1:n or n:m mapping, if applicable.
  
  
  Testing: After making adjustments, perform a test migration with a smaller dataset to ensure that the changes resolve the conflict without introducing new issues.
  
  
  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 official SAP documentation for the Migration Cockpit or the specific tool you are using for data migration.
  Community Forums: Engage with the SAP community forums or support channels for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the CNV_NCE_BAS116 error and implement a solution to resolve it.