How To Fix CNV_LTHCM_C_10031 - Duplicate records for conversion package ID &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_LTHCM_C_10 - LT HCM: Messages for Data Conversion

• Message number: 031

• Message text: Duplicate records for conversion package ID &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_LTHCM_C_10031 - Duplicate records for conversion package ID &1 ?

  The SAP error message CNV_LTHCM_C_10031 indicates that there are duplicate records found for a conversion package ID during a data migration or conversion process. This error typically arises in the context of SAP's Landscape Transformation (LT) or data migration projects, particularly when using tools like the SAP S/4HANA Migration Cockpit or other data conversion tools.
  Cause:
  The primary cause of this error is the presence of multiple entries in the source data that share the same conversion package ID. This can happen due to:
  
  Data Duplication: The source data may have been incorrectly prepared, leading to duplicate entries.
  Incorrect Mapping: The mapping of source data to the target structure may not have been set up correctly, causing multiple records to be generated for the same ID.
  Configuration Issues: There may be issues in the configuration of the conversion package itself, leading to unintended duplicates.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Identify Duplicates:
  
  Check the source data for duplicates. You can use SQL queries or data analysis tools to identify records with the same conversion package ID.
  Review the logs or reports generated during the conversion process to pinpoint where the duplicates are occurring.
  
  
  
  Clean Up Data:
  
  Remove or consolidate duplicate records in the source data. Ensure that each conversion package ID is unique.
  If necessary, adjust the data preparation process to prevent duplicates from being created in the first place.
  
  
  
  Review Mapping and Configuration:
  
  Verify the mapping configuration for the conversion package. Ensure that it is set up correctly to avoid generating duplicate records.
  Check for any settings or parameters that might be causing the duplication.
  
  
  
  Re-run the Conversion:
  
  After cleaning up the data and ensuring that the mapping is correct, re-run the conversion process to see if the error persists.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific conversion package you are using. There may be additional guidance or known issues that can help you troubleshoot.
  
  
  
  Seek Support:
  
  If the issue persists after following the above steps, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Data Migration Best Practices: Familiarize yourself with best practices for data migration in SAP, which can help prevent similar issues in the future.
  SAP Community: Engage with the SAP Community forums where other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_LTHCM_C_10031 error effectively.