How To Fix USMD1A024 - Hierarchy of entity type &1 is locked by &2 in version &3

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1A - Messages: Abstraction Layer

• Message number: 024

• Message text: Hierarchy of entity type &1 is locked by &2 in version &3

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

INCLUDE NA_USMD_ENQ_HRYNODE_CAUSE OBJECT DOKU ID TX

System Response

How to fix this error?

You can use transaction SM12 to view the locks in the system.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message USMD1A024 - Hierarchy of entity type &1 is locked by &2 in version &3 ?

  The SAP error message USMD1A024 indicates that a hierarchy of a specific entity type is locked by another user or process in a particular version. This typically occurs in the context of SAP Master Data Governance (MDG) when multiple users are trying to access or modify the same data simultaneously.
  Cause:
  
  Concurrent Access: Another user or process is currently editing or has locked the hierarchy for the specified entity type.
  Incomplete Transactions: A previous transaction may not have been completed properly, leaving the hierarchy in a locked state.
  System Locking Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. If a user is editing a hierarchy, it will be locked for others until the changes are saved or canceled.
  
  Solution:
  
  Wait and Retry: If another user is editing the hierarchy, wait for them to finish and then try again.
  Identify the Lock: Use transaction code SM12 to check for locks in the system. You can look for the user or process that is holding the lock on the hierarchy.
  Release the Lock: If you have the necessary authorizations, you can manually release the lock from SM12. However, be cautious with this approach as it may lead to data inconsistencies if the other user is still working on the data.
  Check for Background Jobs: Sometimes, background jobs may hold locks. Check if any jobs are running that might be causing the lock.
  Contact the User: If you identify the user who is holding the lock, you can contact them to see if they can release it or if they are done with their changes.
  
  Related Information:
  
  Transaction Codes: 
  
  SM12: To view and manage locks.
  SM21: To check system logs for any related issues.
  ST22: To check for dumps that might provide more context on the issue.
  
  
  User Roles and Authorizations: Ensure that users have the appropriate roles and authorizations to access and modify the hierarchies.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation on Master Data Governance for best practices on managing hierarchies and understanding locking mechanisms.
  
  By following these steps, you should be able to resolve the error and understand the context in which it occurs.