How To Fix /INCMD/MSG351 - Duplicate data maintained in location assignment table

SAP Error Message - Details

• Message type: E = Error

• Message class: /INCMD/MSG -

• Message number: 351

• Message text: Duplicate data maintained in location assignment table

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /INCMD/MSG351 - Duplicate data maintained in location assignment table ?

  The SAP error message /INCMD/MSG351 Duplicate data maintained in location assignment table typically indicates that there are duplicate entries in the location assignment table for a specific location or storage area. This can occur in various SAP modules, particularly in Inventory Management or Warehouse Management, where location assignments are crucial for managing stock and inventory.
  Cause:
  
  Duplicate Entries: The most common cause is that the same location has been assigned multiple times in the location assignment table.
  Data Migration Issues: If data was migrated from another system or if there were manual entries, duplicates may have been inadvertently created.
  Configuration Errors: Incorrect configuration settings in the system can lead to unintended duplicate entries.
  
  Solution:
  
  
  Identify Duplicates: Use transaction codes like SE16 or SE11 to access the relevant database table (e.g., /INCMD/LOCASSIGN) and check for duplicate entries. You can run a query to find duplicates based on the key fields.
  
  
  Delete or Correct Duplicates: Once identified, you can either delete the duplicate entries or correct them as necessary. Ensure that you have proper authorization and backup before making changes to the database.
  
  
  Review Data Entry Processes: If duplicates are a recurring issue, review the processes for entering location assignments to ensure that they are robust and include checks for existing entries.
  
  
  Check Configuration: Review the configuration settings in the relevant SAP modules to ensure that they are set up correctly to prevent duplicates.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific module you are working with for any additional guidance or known issues.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE16 (Data Browser), SE11 (Data Dictionary), and others that may help in analyzing the data.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Authorization: Ensure that you have the necessary authorizations to view and modify the location assignment table.
  Testing: After making changes, conduct thorough testing to ensure that the issue is resolved and that no new duplicates are created.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.