How To Fix CNV_10100217 - For Set &1 &2 &3 duplicate record found, but no new set name assigned

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10100 - Messages from package 10100

• Message number: 217

• Message text: For Set &1 &2 &3 duplicate record found, but no new set name assigned

What causes this issue?

For set &V1& &V2& &V3& a duplicate record is expected due to the data
conversion. For this reason the system tries to assign a new set name to
this set but the system could not found a unique set name.

System Response

The system did not assign a new set name to the duplicate set record.

How to fix this error?

In the set name mapping table, assign a unique set name to this FI set.

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_10100217 - For Set &1 &2 &3 duplicate record found, but no new set name assigned ?

  The SAP error message CNV_10100217 indicates that during a data migration or conversion process, a duplicate record was found for a specific set of data, but no new set name was assigned to differentiate the records. This error typically arises in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other conversion tools.
  Cause:
  
  Duplicate Records: The primary cause of this error is the presence of duplicate records in the source data that you are trying to migrate. The system expects unique identifiers for each record, and when it encounters duplicates, it raises this error.
  Missing Set Name: The error also indicates that there is no new set name assigned to the duplicate records, which means the system cannot determine how to handle these duplicates.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify Duplicate Records:
  
  Review the data set that you are trying to migrate. Use SQL queries or data analysis tools to identify the duplicate records based on the relevant fields.
  Check the specific fields that are supposed to be unique and see which records are causing the duplication.
  
  
  
  Remove or Modify Duplicates:
  
  Depending on your business requirements, you can either remove the duplicate records or modify them to ensure that they are unique.
  If you need to keep the duplicates for some reason, consider assigning a new set name to differentiate them.
  
  
  
  Assign New Set Names:
  
  If applicable, assign new set names to the duplicate records to ensure that the migration tool can process them without conflicts.
  This may involve updating the data in your source system or in the staging area before migration.
  
  
  
  Re-run the Migration:
  
  After addressing the duplicates and ensuring that all records have unique identifiers or set names, re-run the migration process.
  Monitor the logs for any further errors or warnings.
  
  
  
  Related Information:
  
  Data Quality Checks: Before migration, it is essential to perform data quality checks to ensure that the data is clean and free of duplicates.
  SAP Notes: Check for any relevant SAP Notes or documentation related to the specific migration tool you are using, as they may provide additional insights or updates regarding this error.
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, familiarize yourself with its features for handling duplicates and data mapping.
  
  By following these steps, you should be able to resolve the CNV_10100217 error and successfully complete your data migration.