How To Fix CNV_10100210 - Set key scan for duplicate records of set class &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10100 - Messages from package 10100

• Message number: 210

• Message text: Set key scan for duplicate records of set class &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10100210 - Set key scan for duplicate records of set class &1 ?

  The SAP error message CNV_10100210 indicates that there is an issue with duplicate records in a set class during a data migration or conversion process. This error typically arises in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data conversion programs.
  Cause:
  The error occurs when the system detects that there are duplicate entries in a set class that should be unique. This can happen due to:
  
  Data Quality Issues: The source data may contain duplicates that were not cleaned up before the migration.
  Incorrect Mapping: The mapping of fields during the migration process may not be set up correctly, leading to the creation of duplicate records.
  Configuration Errors: There may be issues in the configuration of the set class or the migration settings.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify Duplicates:
  
  Review the source data to identify the duplicate records. You can use SQL queries or data analysis tools to find duplicates based on the key fields defined in the set class.
  
  
  
  Clean Up Data:
  
  Remove or consolidate duplicate records in the source data. Ensure that each record is unique according to the criteria defined for the set class.
  
  
  
  Check Mapping:
  
  Review the mapping configuration in the migration tool to ensure that it is set up correctly. Make sure that the fields that should be unique are correctly defined.
  
  
  
  Test Migration:
  
  After cleaning the data and verifying the mapping, perform a test migration to see if the error persists.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific migration tool you are using for any additional guidance or troubleshooting steps.
  
  
  
  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 troubleshooting steps.
  Data Migration Best Practices: Familiarize yourself with best practices for data migration, including data cleansing, validation, and testing.
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, review the documentation for specific guidelines on handling set classes and unique constraints.
  
  By following these steps, you should be able to resolve the CNV_10100210 error and successfully complete your data migration process.