How To Fix CNV_NCE_BAS045 - &1 &2 Single mapping for &3 conflicts with no. range interval mapping

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 045

• Message text: &1 &2 Single mapping for &3 conflicts with no. range interval mapping

What causes this issue?

Program has determined that there exist several mappings for the same
target number.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check mappings for the target number range interval. Make sure that
interval mappings do not overlap single mappings.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_NCE_BAS045 - &1 &2 Single mapping for &3 conflicts with no. range interval mapping ?

  The SAP error message CNV_NCE_BAS045 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates a conflict between single mapping and number range interval mapping for a specific field or entity.
  Cause:
  The error arises when there is a conflict between two types of mappings:
  
  Single Mapping: This refers to a direct mapping of a single value from the source to the target.
  Number Range Interval Mapping: This involves mapping a range of values from the source to a range in the target.
  
  The conflict occurs when the same field is being mapped in both ways, leading to ambiguity in how the data should be processed. For example, if you have a single value that falls within a defined number range, the system does not know which mapping to prioritize.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review Mappings: Check the mappings defined in your migration project. Look for the specific field or entity mentioned in the error message (indicated by &3) and see if it has both single mapping and number range interval mapping defined.
  
  
  Decide on Mapping Type: Determine which mapping type is appropriate for your scenario. You may need to choose either single mapping or number range interval mapping, but not both for the same field.
  
  
  Adjust Mappings:
  
  If you decide to use single mapping, remove any conflicting number range interval mappings for that field.
  If you prefer number range interval mapping, ensure that there are no single mappings defined for the same field.
  
  
  
  Test the Changes: After making adjustments, run the migration process again to see if the error persists.
  
  
  Consult Documentation: If you are unsure about the mappings or how to adjust them, refer to the SAP documentation or guides related to the specific migration tool you are using.
  
  
  Seek Support: If the issue continues, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific configuration and requirements.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, as it often contains troubleshooting tips and best practices for handling mapping issues.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to resolve the CNV_NCE_BAS045 error and proceed with your data migration successfully.