How To Fix MSG_UH301 - Hierarchy ID &1 is locked by &2.

SAP Error Message - Details

• Message type: E = Error

• Message class: MSG_UH - Universal Hierarchy Message Class

• Message number: 301

• Message text: Hierarchy ID &1 is locked by &2.

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MSG_UH301 - Hierarchy ID &1 is locked by &2. ?

  The SAP error message MSG_UH301 indicates that a specific hierarchy ID is locked by another user or process. This typically occurs in the context of SAP's hierarchical data management, such as when working with master data or organizational structures.
  Cause:
  
  User Lock: The hierarchy ID is currently being edited or processed by another user, which prevents other users from making changes to it.
  System Lock: A background job or process may be holding a lock on the hierarchy ID, preventing access.
  Transaction Interruption: If a previous transaction that was working on the hierarchy ID was interrupted or did not complete properly, it may leave the hierarchy in a locked state.
  
  Solution:
  
  Wait and Retry: If the lock is temporary (e.g., another user is editing the hierarchy), wait for the other user to finish and then try again.
  Identify the Locking User: Use transaction code SM12 to check for locks. You can search for the specific hierarchy ID and see which user or process is holding the lock.
  Release the Lock: If you have the necessary authorizations, you can manually release the lock from transaction SM12. Be cautious when doing this, as it may disrupt the work of the user currently editing the hierarchy.
  Check Background Jobs: If a background job is causing the lock, you may need to wait for it to complete or check with your system administrator to see if it can be terminated safely.
  Contact Support: If the issue persists and you cannot identify the cause, consider reaching out to your SAP support team for further assistance.
  
  Related Information:
  
  Transaction Codes: 
  
  SM12: To view and manage locks.
  SM21: To check system logs for any related errors or warnings.
  SM37: To monitor background jobs that may be affecting the hierarchy.
  
  
  User Authorization: Ensure that you have the necessary permissions to view and manage locks in the system.
  Documentation: Refer to SAP Help documentation for more details on hierarchy management and locking mechanisms.
  
  By following these steps, you should be able to resolve the MSG_UH301 error and regain access to the locked hierarchy ID.