How To Fix KE/NC003 - Realignment run &1 is already locked by user &2

KE/NC003 - Overview

• Message type: E = Error

• Message class: KE/NC -

• Message number: 003

• Message text: Realignment run &1 is already locked by user &2

What causes this issue?

A realignment run can only be processed, executed, or restored by one
user at a time.

System Response

You cannot continue processing at this time.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

KE/NC003 - Details

• The SAP error message KE/NC003 indicates that a realignment run is already locked by another user. This typically occurs in the context of the Controlling (CO) module, specifically when dealing with realignment processes in Profit Center Accounting or Cost Center Accounting.
  
  Cause:
  The error is caused by the following scenarios:
  
  Concurrent Access: Another user is currently executing a realignment run, which locks the process to prevent data inconsistencies.
  Unfinished Process: A previous realignment run may not have been completed or was interrupted, leaving the process in a locked state.
  User Lock: The system has a mechanism to prevent multiple users from running the same process simultaneously, which is a standard practice to ensure data integrity.
  
  
  Solution:
  To resolve the KE/NC003 error, you can take the following steps:
  
  
  Check Active Sessions:
  
  Identify if another user is currently running the realignment process. You can do this by checking the transaction logs or using transaction codes like SM66 (Global Work Process Overview)