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

RSENQ052 - Overview

• 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