How To Fix CNV_20800037 - Automatic renaming by NRIV changes is not possible for merge

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20800 - Message class for CNV_20800

• Message number: 037

• Message text: Automatic renaming by NRIV changes is not possible for merge

What causes this issue?

You are about to do an N:1 merge of customer records. If you plan to
change number range intervals, it is not possible to rename customer
records from the number range interval automatically.

How to fix this error?

Deactivate the automatic renaming of customer records in connection
with NRIV changes.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20800037 - Automatic renaming by NRIV changes is not possible for merge ?

  The SAP error message CNV_20800037 indicates that there is an issue with automatic renaming during a merge operation in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error typically arises when the system attempts to rename objects or records that are being merged, but the renaming process cannot be completed due to certain constraints or conditions.
  Causes:
  
  Data Conflicts: There may be conflicts in the data that prevent the system from automatically renaming records. This can occur if there are duplicate entries or if the records being merged have incompatible attributes.
  Configuration Issues: The configuration settings for the migration or conversion process may not allow for automatic renaming, or there may be restrictions in place that prevent this action.
  Technical Limitations: The underlying database or application logic may impose limitations on how records can be renamed during a merge operation.
  Missing or Incomplete Data: If the data being merged is incomplete or missing required fields, the system may not be able to perform the renaming.
  
  Solutions:
  
  Review Data for Conflicts: Check the data being merged for any conflicts or duplicates. Resolve any issues by cleaning up the data before attempting the merge again.
  Adjust Configuration Settings: Review the configuration settings related to the migration or conversion process. Ensure that automatic renaming is enabled and that there are no restrictions preventing it.
  Manual Renaming: If automatic renaming is not possible, consider manually renaming the records or objects involved in the merge. This may involve creating a mapping or transformation logic to handle the renaming.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration or conversion tool you are using. There may be specific guidelines or best practices for handling merges and renaming.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as there may be bug fixes or enhancements related to this issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or fixes related to the error message CNV_20800037. SAP frequently releases notes that address specific error messages and provide guidance on resolving them.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using for data migration. This documentation often includes troubleshooting sections that can help you understand and resolve common issues.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues. Sharing experiences and solutions can provide additional insights.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.