How To Fix UMM_CUSTDATA012 - View '&1' or one of its subobjects is locked by &2

SAP Error Message - Details

• Message type: E = Error

• Message class: UMM_CUSTDATA - Message Texts from Database Interface of MC Customizing

• Message number: 012

• Message text: View '&1' or one of its subobjects is locked by &2

What causes this issue?

You have attempted to open view "&V1&". This object (or one of its
subobjects) is currently being processed by user "&V2&" and is,
therefore locked for other users.

System Response

The object remains locked exclusively for user "&V2&" until this user
finishes processing.

How to fix this error?

Try to open the view later or contact the current user "&V2&".

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 UMM_CUSTDATA012 - View '&1' or one of its subobjects is locked by &2 ?

  The SAP error message UMM_CUSTDATA012 indicates that a specific view (or one of its subobjects) is locked by another user or process. This typically occurs in the context of customizing or maintaining data in the SAP system, particularly when multiple users are trying to access or modify the same data simultaneously.
  Cause:
  
  User Lock: Another user is currently editing the view or subobject, which prevents other users from making changes.
  Transaction Lock: A transaction that modifies the view is still open, causing a lock on the data.
  System Lock: The system may have a lock due to a background job or a process that is currently running.
  
  Solution:
  
  
  Check Lock Entries:
  
  Use transaction code SM12 to check for lock entries. You can filter by the user ID or the object type to find the specific lock.
  If you find a lock that is no longer needed, you can delete it (if you have the necessary authorizations).
  
  
  
  Wait for Release:
  
  If the lock is held by another user, you may need to wait until they finish their work and release the lock.
  
  
  
  Communicate with Users:
  
  If you identify the user holding the lock, communicate with them to understand if they can release the lock or if they are still actively working on the data.
  
  
  
  Check Background Jobs:
  
  Use transaction code SM37 to check if there are any background jobs that might be holding the lock. If a job is running, you may need to wait for it to complete.
  
  
  
  Restart the Transaction:
  
  Sometimes, simply restarting the transaction or logging out and back into the system can resolve temporary locking issues.
  
  
  
  Contact Basis Team:
  
  If the issue persists and you cannot identify the cause, it may be necessary to contact your SAP Basis team for further investigation.
  
  
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks can help in troubleshooting. Locks are typically managed at the database level, and SAP uses various lock objects to control access to data.
  User Authorizations: Ensure that you have the necessary authorizations to view and manage locks in the system.
  Documentation: Refer to SAP documentation or help resources for more detailed information on lock management and troubleshooting.
  
  By following these steps, you should be able to resolve the UMM_CUSTDATA012 error and continue your work in the SAP system.