How To Fix CNV_LTHCM_S_10217 - Duplicate records for customer selection type &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_LTHCM_S_10 - LT HCM: Message Class for Data Selection

• Message number: 217

• Message text: Duplicate records for customer selection type &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_LTHCM_S_10217 - Duplicate records for customer selection type &1 ?

  The SAP error message CNV_LTHCM_S_10217 indicates that there are duplicate records for a customer selection type in the context of a data migration or conversion process, particularly related to the SAP Landscape Transformation (SLT) or similar data migration tools.
  Cause:
  The error typically arises when the system encounters multiple entries in the source data that match the same criteria for a specific customer selection type. This can happen due to:
  
  Data Duplication: The source data may contain duplicate entries for the same customer or selection criteria.
  Incorrect Mapping: The mapping configuration may not be set up correctly, leading to multiple records being interpreted as valid for the same selection type.
  Data Quality Issues: Poor data quality in the source system can lead to duplicates, such as missing unique identifiers or inconsistent data entries.
  
  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 entries that match the same customer selection type.
  
  
  
  Data Cleansing:
  
  Clean the source data by removing or consolidating duplicate records. Ensure that each customer selection type has a unique entry.
  
  
  
  Adjust Mapping:
  
  If the issue is related to mapping, review the mapping configuration in the migration tool. Ensure that it correctly reflects the intended relationships and does not allow for duplicates.
  
  
  
  Data Validation:
  
  Implement data validation checks before the migration process to catch duplicates early. This can help prevent similar issues in the future.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation related to the specific migration tool you are using (e.g., SAP Landscape Transformation) for any additional guidelines or best practices regarding handling duplicates.
  
  
  
  Testing:
  
  After making the necessary changes, run a test migration to ensure that the issue is resolved and that no further duplicates are encountered.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or patches related to this error message.
  Data Migration Best Practices: Familiarize yourself with best practices for data migration in SAP environments to minimize the risk of encountering similar issues in the future.
  Support: If the issue persists after attempting the above solutions, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to address the CNV_LTHCM_S_10217 error and ensure a smoother data migration process.