How To Fix FINS_ML_MIG067 - Duplicate CKMLHD entries with same semantical key for following records:

SAP Error Message - Details

• Message type: E = Error

• Message class: FINS_ML_MIG - Messages for S/4HANA Material Ledger Migration

• Message number: 067

• Message text: Duplicate CKMLHD entries with same semantical key for following records:

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FINS_ML_MIG067 - Duplicate CKMLHD entries with same semantical key for following records: ?

  The SAP error message FINS_ML_MIG067 indicates that there are duplicate entries in the CKMLHD (Material Ledger Document Header) table with the same semantical key during a migration or data processing task. This typically occurs when the system detects that multiple records share the same key attributes, which should be unique.
  Cause:
  The primary causes of this error can include:
  
  Data Duplication: There may be duplicate records in the source data that are being migrated into the Material Ledger.
  Incorrect Data Preparation: The data preparation process may not have adequately filtered or consolidated records, leading to duplicates.
  Configuration Issues: There may be issues with the configuration of the Material Ledger or the migration process that allow for duplicate entries to be created.
  
  Solution:
  To resolve the FINS_ML_MIG067 error, you can follow these steps:
  
  
  Identify Duplicate Records:
  
  Use SQL queries or SAP transaction codes (like SE16 or SE11) to check the CKMLHD table for duplicate entries based on the semantical key (which typically includes fields like company code, fiscal year, period, etc.).
  Example SQL query:
  SELECT * FROM CKMLHD
  WHERE <key_fields>
  GROUP BY <key_fields>
  HAVING COUNT(*) > 1;
  
  
  
  
  Data Cleansing:
  
  Once duplicates are identified, you need to determine which records are valid and which can be removed or consolidated.
  You may need to consult with business stakeholders to understand the context of the data and decide on the appropriate action.
  
  
  
  Adjust Migration Logic:
  
  If the duplicates are a result of the migration logic, adjust the logic to ensure that it correctly handles duplicates, either by filtering them out or by consolidating them into a single record.
  
  
  
  Re-run Migration:
  
  After addressing the duplicates, re-run the migration process to see if the error persists.
  
  
  
  Check Configuration:
  
  Review the configuration settings for the Material Ledger to ensure that they are set up correctly to prevent the creation of duplicate entries.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the error message for any specific patches or updates that may address this issue.
  Documentation: Review SAP documentation on Material Ledger and migration processes to ensure compliance with best practices.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CKMLCP (Material Ledger Closing) and CKMLMV (Material Ledger Migration) for further insights into the Material Ledger processes.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.