How To Fix CNV20410064 - Add logical duplicates from table &1 to mapping

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20410 - message class for package 20410 (operating concern merge)

• Message number: 064

• Message text: Add logical duplicates from table &1 to mapping

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20410064 - Add logical duplicates from table &1 to mapping ?

  The SAP error message CNV20410064 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there are logical duplicates in the data being processed, which means that the system has identified multiple records that are considered equivalent based on the mapping rules defined in the migration process.
  Cause:
  The error is caused by the presence of duplicate entries in the source data that are being mapped to the target structure. This can happen due to:
  
  Duplicate Records: The source table contains multiple records with the same key or unique identifier.
  Mapping Rules: The mapping rules defined in the migration process may not adequately handle duplicates, leading to conflicts.
  Data Quality Issues: Poor data quality in the source system can lead to unintentional duplicates.
  
  Solution:
  To resolve the CNV20410064 error, you can take the following steps:
  
  
  Identify Duplicates:
  
  Analyze the source data in table &1 (the table mentioned in the error message) to identify the duplicate records. You can use SQL queries or data analysis tools to find duplicates based on the relevant key fields.
  
  
  
  Data Cleansing:
  
  Cleanse the data by removing or consolidating duplicate records. This may involve:
  
  Deleting unnecessary duplicates.
  Merging records if they contain complementary information.
  Ensuring that each record has a unique identifier.
  
  
  
  
  
  Adjust Mapping Rules:
  
  Review and adjust the mapping rules in the migration cockpit to ensure that they can handle duplicates appropriately. This may involve defining how to treat duplicates (e.g., keeping the first occurrence, aggregating data, etc.).
  
  
  
  Re-run the Migration:
  
  After addressing the duplicates and adjusting the mapping rules, re-run the migration process to see if the error persists.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific migration tool you are using for additional guidance on handling duplicates.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions for this specific error.
  Data Migration Best Practices: Familiarize yourself with best practices for data migration, including data profiling, cleansing, and validation techniques.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have implemented.
  
  By following these steps, you should be able to resolve the CNV20410064 error and successfully complete your data migration process.