How To Fix 55029 - &2 &3 &4 is currently locked by user &1

SAP Error Message - Details

• Message type: E = Error

• Message class: 55 - Messages for development class EENO

• Message number: 029

• Message text: &2 &3 &4 is currently locked by user &1

What causes this issue?

The object you have selected has already been locked by another
transaction of by another user.

System Response

The system cannot process this object at the moment.

How to fix this error?

Wait until the lock on this object is lifted.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 55029 - &2 &3 &4 is currently locked by user &1 ?

  The SAP error message "55029 &2 &3 &4 is currently locked by user &1" indicates that a particular object (such as a document, transaction, or record) is currently locked by another user. This locking mechanism is a part of SAP's concurrency control to prevent data inconsistencies when multiple users attempt to access or modify the same data simultaneously.
  Cause:
  
  User Locking: The object is being edited or processed by another user, which prevents other users from making changes until the lock is released.
  Session Timeout: Sometimes, a user may have left a session open, causing a lock to persist even if they are no longer actively using it.
  System Errors: Occasionally, system errors or crashes can leave locks in place that should have been released.
  
  Solution:
  
  Wait and Retry: If the lock is temporary, waiting for the other user to finish their work and release the lock may be the simplest solution.
  Identify the Locking User: Use transaction code SM12 (Display and Delete Locks) to identify the user who is holding the lock. You can search for the object type and the specific object to see who is locking it.
  Contact the Locking User: If possible, contact the user who is holding the lock to see if they can release it.
  Release the Lock: If the locking user is unavailable or if the lock is stale (e.g., due to a session timeout), an administrator can manually delete the lock using transaction SM12. However, this should be done with caution, as it may lead to data inconsistencies if the user is still working on the object.
  Check for Background Jobs: Sometimes, background jobs may hold locks. Check transaction SM37 to see if any background jobs are running that might be causing the lock.
  Review System Logs: If the issue persists, review system logs for any errors or warnings that might indicate underlying issues.
  
  Related Information:
  
  Lock Types: Understand the different types of locks in SAP (e.g., exclusive locks, shared locks) and how they affect user access.
  Lock Management: Familiarize yourself with SAP's lock management concepts to better understand how locks are created and released.
  User Training: Ensure that users are trained on proper session management to minimize the occurrence of unnecessary locks.
  
  If the problem continues to occur frequently, it may be worth investigating the underlying processes or workflows that lead to these locks to optimize them and reduce contention.