How To Fix CNV_NCE_BAS421 - Target number range interval could not be determined

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 421

• Message text: Target number range interval could not be determined

What causes this issue?

The system tried to determine the target number range by using:
Number range object = &V1&
Number range subobject = &V2&
Target number = &V3&
Fiscal year = &V4&

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

No relevant number range could be found based on this information.

System Response

The target number range cannot be assigned to a number range interval
automatically

How to fix this error?

Check the value for the fiscal year. If this is correct, the number
range object might not be relevant or might not exist.

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_BAS421 - Target number range interval could not be determined ?

  The SAP error message CNV_NCE_BAS421 with the description "Target number range interval could not be determined" 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 that the system is unable to determine the appropriate number range for the target objects being processed.
  Causes:
  
  Missing Number Range Objects: The target number range object may not be defined in the system, or it may not be properly configured.
  Incorrect Configuration: The number range configuration for the target object may be incorrect or incomplete.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to access or modify the number range settings.
  Data Mapping Issues: There may be issues with the mapping of source data to target structures, leading to ambiguity in determining the number range.
  Custom Development: If there are custom developments or enhancements, they may interfere with the standard number range determination logic.
  
  Solutions:
  
  
  Check Number Range Configuration:
  
  Go to transaction SNRO (Number Range Objects) and verify that the number range object for the target entity is defined and active.
  Ensure that the number range intervals are correctly set up and that they are not overlapping with other intervals.
  
  
  
  Review Migration Settings:
  
  Check the migration settings in the Migration Cockpit or the relevant data migration tool to ensure that the target number range is correctly specified.
  Ensure that the mapping of source fields to target fields is correct.
  
  
  
  Authorization Check:
  
  Verify that the user executing the migration has the necessary authorizations to access and modify number range objects.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the migration process to identify where the number range determination is failing. This may require technical expertise.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation related to the specific migration process you are using. There may be specific notes or guidelines regarding number range handling.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including any relevant logs or screenshots.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SNRO: Number Range Object Maintenance
  SCC1: Client Copy (if applicable)
  
  
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its configuration settings.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_NCE_BAS421 error in your SAP system.