How To Fix CNV_IUUC_REPL_ADV_SE127 - Rows must be unique for RELID, Component Name, Version and Variant

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: 127

• Message text: Rows must be unique for RELID, Component Name, Version and Variant

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPL_ADV_SE127 - Rows must be unique for RELID, Component Name, Version and Variant ?

  The SAP error message CNV_IUUC_REPL_ADV_SE127 indicates that there is a uniqueness constraint violation in the context of data replication or transformation processes, particularly when using the SAP Landscape Transformation (SLT) or similar tools. This error typically arises when the system expects unique entries for a combination of fields, specifically RELID, Component Name, Version, and Variant, but finds duplicate entries instead.
  Cause:
  
  Duplicate Entries: The most common cause of this error is the presence of duplicate records in the source data or in the target table that violate the uniqueness constraint.
  Incorrect Data Load: If data was loaded incorrectly or if there were issues during the data migration process, it could lead to duplicates.
  Configuration Issues: Misconfiguration in the replication settings or transformation rules may also lead to this error.
  
  Solution:
  
  
  Identify Duplicates:
  
  Use SQL queries or SAP transaction codes to identify duplicate entries in the relevant tables. You can check for duplicates based on the fields mentioned in the error message (RELID, Component Name, Version, and Variant).
  Example SQL query to find duplicates:
  SELECT RELID, Component_Name, Version, Variant, COUNT(*)
  FROM your_table_name
  GROUP BY RELID, Component_Name, Version, Variant
  HAVING COUNT(*) > 1;
  
  
  
  
  Remove or Correct Duplicates:
  
  Once duplicates are identified, you can either remove them or correct the data to ensure that each combination of RELID, Component Name, Version, and Variant is unique.
  Ensure that the data being loaded or replicated does not contain duplicates.
  
  
  
  Check Configuration:
  
  Review the configuration settings for the data replication or transformation process to ensure that they are set up correctly and that they do not inadvertently create duplicates.
  
  
  
  Re-run the Process:
  
  After resolving the duplicates and ensuring the data integrity, re-run the replication or transformation process to see if the error persists.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific error message for any patches or updates that may address the issue.
  Documentation: Review the documentation for the specific SAP module or tool you are using (e.g., SLT, Data Services) for best practices on data loading and replication.
  Support: If the issue persists after following the above steps, consider reaching out to SAP support for further assistance.
  
  By addressing the root cause of the duplicates and ensuring proper data integrity, you should be able to resolve the CNV_IUUC_REPL_ADV_SE127 error.