How To Fix CNV_10100251 - No new set name assigned to duplicate set record &1 &2 &3

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10100 - Messages from package 10100

• Message number: 251

• Message text: No new set name assigned to duplicate set record &1 &2 &3

What causes this issue?

For each duplicate set record a new set name has to be defined.

System Response

The system cannot proceed without an assigned new set name.

How to fix this error?

Assign a new set name.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10100251 - No new set name assigned to duplicate set record &1 &2 &3 ?

  The SAP error message CNV_10100251 indicates that there is a problem with duplicate set records in a conversion or migration process, specifically related to the assignment of a new set name. This error typically arises during data migration activities, especially when using SAP's data migration tools or during the execution of a conversion program.
  Cause:
  The error message "No new set name assigned to duplicate set record &1 &2 &3" suggests that the system has encountered duplicate records in the data being processed, and it is unable to assign a new set name to these duplicates. The placeholders (&1, &2, &3) usually represent specific identifiers or keys related to the duplicate records.
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify Duplicate Records:
  
  Use the identifiers provided in the error message to locate the duplicate records in the source data. This may involve querying the database or using transaction codes that allow you to view the relevant data.
  
  
  
  Review Data Mapping:
  
  Check the data mapping and transformation rules defined in your migration or conversion process. Ensure that the logic for handling duplicates is correctly implemented.
  
  
  
  Assign Unique Set Names:
  
  If duplicates are valid and should be retained, ensure that each duplicate record is assigned a unique set name. This may involve modifying the data before migration or adjusting the conversion logic to handle duplicates appropriately.
  
  
  
  Adjust Configuration:
  
  If the error is related to a specific configuration in the migration tool, review the settings and parameters to ensure they are set up to handle duplicates correctly.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific migration tool or process you are using. There may be specific guidelines or best practices for handling duplicate records.
  
  
  
  Testing:
  
  After making the necessary adjustments, re-run the migration or conversion process in a test environment to ensure that the error is resolved.
  
  
  
  Seek Support:
  
  If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific scenario.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context on handling duplicates during data migration.
  Data Migration Tools: Familiarize yourself with the specific SAP data migration tools you are using (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) and their capabilities regarding duplicate handling.
  Best Practices: Review best practices for data cleansing and preparation before migration to minimize the occurrence of duplicate records.
  
  By following these steps, you should be able to address the error CNV_10100251 and successfully complete your data migration or conversion process.