How To Fix RSENQ052 - The change run has been started already by user &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSENQ - Lock Manager

• Message number: 052

• Message text: The change run has been started already by user &1

What causes this issue?

The change run for attributes and hierarchies has terminated. For
reasons of consistency, you are not able to continue.

System Response

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

How to fix this error?

Remove the cause of the termination and restart the change run. You are
able to proceed only once the change run has been completed
successfully.

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 RSENQ052 - The change run has been started already by user &1 ?

  The SAP error message RSENQ052 indicates that a change run has already been initiated by another user. This typically occurs in the context of SAP's transport management system or when dealing with change requests in the system. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Concurrent Change Runs: The error arises when a user attempts to start a change run while another change run is already in progress by a different user. This is a safeguard to prevent conflicts and ensure data integrity.
  Locking Mechanism: SAP uses a locking mechanism to manage concurrent processes. If a change run is already locked by a user, others will be prevented from starting a new one until the lock is released.
  
  Solution:
  
  
  Check Active Change Runs: 
  
  Use transaction code SE01 or SE09 to check if there are any active change runs. Look for any entries that indicate a change run is currently in progress.
  
  
  
  Wait for Completion: 
  
  If another user is running a change run, you may need to wait until they complete their process. You can communicate with the user to find out when they expect to finish.
  
  
  
  Identify the User: 
  
  The error message specifies the user who has started the change run. You can reach out to that user to coordinate and avoid conflicts.
  
  
  
  Release Locks: 
  
  If you believe the change run is stuck or should not be running, you may need to contact your SAP Basis team to investigate and potentially release the lock. They can use transaction SM12 to view and manage locks.
  
  
  
  Review System Logs: 
  
  Check the system logs for any additional information that might indicate why the change run is still active or if there are any errors associated with it.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SE01: Transport Organizer
  SE09: Workbench Organizer
  SM12: Display and Delete Locks
  SM21: System Log
  
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to change runs or transport management.
  Documentation: Review SAP documentation on transport management and change request handling for best practices and troubleshooting steps.
  
  By following these steps, you should be able to resolve the RSENQ052 error and successfully manage your change runs in SAP.