How To Fix CNV_IUUC_REPL_ADV_SE106 - Duplicate entries available for the fieldname &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_REPL_ADV_SE - MEssage class for package CNV_IUUC_REPL_ADV_SETTINGS

• Message number: 106

• Message text: Duplicate entries available for the fieldname &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPL_ADV_SE106 - Duplicate entries available for the fieldname &1 ?

  The SAP error message CNV_IUUC_REPL_ADV_SE106 indicates that there are duplicate entries for a specific field in the context of data replication or migration processes, particularly when using the SAP Landscape Transformation (SLT) Replication Server or similar tools. This error typically arises during the data transformation or loading phase, where the system expects unique values for a particular field but finds multiple entries.
  Cause:
  
  Duplicate Data: The most common cause is that the source data contains duplicate entries for the specified field. This could be due to data quality issues in the source system.
  Incorrect Configuration: The configuration of the replication or transformation process may not be set up to handle duplicates correctly.
  Primary Key Violations: If the field in question is supposed to be a primary key or unique identifier, having duplicates violates the integrity constraints of the target system.
  
  Solution:
  
  
  Identify Duplicates: 
  
  Query the source data to identify the duplicate entries for the specified field. You can use SQL queries to find duplicates based on the field name indicated in the error message.
  Example SQL query:
  SELECT fieldname, COUNT(*)
  FROM your_table
  GROUP BY fieldname
  HAVING COUNT(*) > 1;
  
  
  
  
  Data Cleansing:
  
  Once duplicates are identified, you need to decide how to handle them. Options include:
  
  Removing duplicates if they are not needed.
  Merging records if they contain complementary information.
  Updating records to ensure uniqueness.
  
  
  
  
  
  Adjust Configuration:
  
  Review the configuration settings in the SLT or data replication tool to ensure that it is set up to handle duplicates appropriately. This may involve setting up proper keys or adjusting transformation rules.
  
  
  
  Testing:
  
  After making changes, test the replication or migration process again to ensure that the error is resolved.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific replication or 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 message.
  Data Quality Tools: Consider using data quality tools or services to help identify and resolve data quality issues in your source systems.
  SLT Configuration: Familiarize yourself with SLT configuration settings, especially those related to key mapping and data transformation, to prevent similar issues in the future.
  
  By addressing the root cause of the duplicates and ensuring proper configuration, you can resolve the CNV_IUUC_REPL_ADV_SE106 error and facilitate a smoother data replication or migration process.