How To Fix /SCWM/LT041 - Structure contains duplicate entries

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/LT -

• Message number: 041

• Message text: Structure contains duplicate entries

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/LT041 - Structure contains duplicate entries ?

  The SAP error message /SCWM/LT041 Structure contains duplicate entries typically occurs in the context of the Extended Warehouse Management (EWM) module when there are duplicate entries in a data structure that is being processed. This can happen during various operations, such as creating transfer orders, handling stock movements, or processing inbound/outbound deliveries.
  Cause:
  
  
  Duplicate Data: The most common cause of this error is that the system has detected duplicate entries in the data being processed. This could be due to:
  
  Duplicate items in a delivery or transfer order.
  Duplicate stock items in a handling unit.
  Incorrectly configured master data or transactional data.
  
  
  
  Data Integrity Issues: Sometimes, data integrity issues can arise from incorrect data uploads or migrations, leading to duplicates.
  
  
  Custom Developments: If there are custom developments or enhancements in the EWM system, they might inadvertently introduce duplicates.
  
  
  Solution:
  
  
  Identify Duplicates: 
  
  Review the data being processed when the error occurs. Check for duplicate entries in the relevant tables or structures.
  Use transaction codes like /SCWM/PRDI (for inbound deliveries) or /SCWM/TO (for transfer orders) to analyze the data.
  
  
  
  Data Cleanup:
  
  If duplicates are found, you will need to clean up the data. This may involve deleting or merging duplicate entries in the relevant tables.
  Ensure that the master data (like material master, vendor master, etc.) is clean and does not contain duplicates.
  
  
  
  Check Custom Code: 
  
  If there are custom developments, review the code to ensure that it is not introducing duplicates into the data structures.
  
  
  
  Testing: 
  
  After making changes, test the process again to ensure that the error does not occur.
  
  
  
  Consult Documentation: 
  
  Refer to SAP documentation or notes related to the specific error message for additional guidance.
  
  
  
  SAP Support: 
  
  If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in EWM for monitoring and managing warehouse processes.
  SAP Notes: Check for any SAP Notes that might address this specific error or provide patches or updates that could resolve the issue.
  Data Consistency Checks: Regularly perform data consistency checks in your EWM system to prevent such issues from arising in the future.
  
  By following these steps, you should be able to identify and resolve the issue causing the /SCWM/LT041 Structure contains duplicate entries error in your SAP EWM system.