How To Fix CNV20201023 - __No. range: (old)=&1,(new)=&2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20201 -

• Message number: 023

• Message text: __No. range: (old)=&1,(new)=&2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20201023 - __No. range: (old)=&1,(new)=&2 ?

  The SAP error message CNV20201023 with the description "No. range: (old)=&1,(new)=&2" 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 or issue with number ranges during the data migration process.
  Cause:
  
  Number Range Conflict: The error suggests that there is a mismatch between the old number range and the new number range being used in the migration process. This can happen if the old number range is not properly defined or if the new number range overlaps with existing ranges.
  Configuration Issues: The number ranges for the objects being migrated may not be correctly configured in the target system.
  Data Integrity Issues: There may be existing data in the target system that conflicts with the new data being migrated.
  
  Solution:
  
  
  Check Number Range Configuration:
  
  Go to the transaction code SNRO (Number Range Objects) in the SAP system.
  Verify the configuration of the number ranges for the relevant objects. Ensure that the old and new number ranges are correctly defined and do not overlap.
  
  
  
  Adjust Number Ranges:
  
  If there is a conflict, you may need to adjust the number ranges. This could involve changing the number range intervals or creating new number ranges that do not conflict with existing ones.
  
  
  
  Data Migration Settings:
  
  Review the settings in the migration tool you are using. Ensure that the mapping of old to new number ranges is correctly set up.
  
  
  
  Check for Existing Data:
  
  Investigate if there is existing data in the target system that might be causing the conflict. If necessary, clean up or adjust the existing data.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or notes related to the specific migration process you are using. There may be specific guidelines or best practices for handling number ranges.
  
  
  
  Testing:
  
  After making adjustments, perform a test migration to ensure that the issue is resolved.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific migration tool you are using for more detailed instructions and troubleshooting steps.
  Community Forums: Consider searching or posting in 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 issue related to the CNV20201023 error message.