How To Fix KG301 - Plan version $ is locked by user $

SAP Error Message - Details

• Message type: E = Error

• Message class: KG - CO-PA Planning

• Message number: 301

• Message text: Plan version $ is locked by user $

What causes this issue?

Only one user can process one version of a complete plan at one time.

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?

Wait until Version &V1& is free again or ask user
&V2& to release plan version &V1&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KG301 - Plan version $ is locked by user $ ?

  The SAP error message KG301 indicates that a plan version is locked by a specific user, which prevents other users from making changes to that plan version. This typically occurs in the context of planning and budgeting processes within SAP, particularly in modules like SAP Controlling (CO) or SAP Integrated Business Planning (IBP).
  Cause:
  
  User Lock: The plan version is currently being edited or is locked by another user. This can happen if a user is actively working on the plan version and has not released the lock.
  Session Timeout: Sometimes, if a user’s session times out unexpectedly, the lock may not be released properly.
  System Error: A system error or crash may leave a plan version locked.
  Concurrent Access: Multiple users trying to access the same plan version simultaneously can lead to locking issues.
  
  Solution:
  
  Wait for Release: If the user who has locked the plan version is actively working on it, you may need to wait until they finish and release the lock.
  Identify the Locking User: Use transaction code SM12 to check for locks in the system. You can search for the user who has locked the plan version and see if they are still active.
  Unlock the Version: If the locking user is no longer active or if the lock is stale, an administrator can manually remove the lock using transaction SM12. However, this should be done with caution to avoid data inconsistency.
  Check for Background Jobs: Sometimes, background jobs may hold locks. Check if any background jobs are running that might be using the plan version.
  Review System Logs: Check system logs for any errors or issues that might have caused the lock to persist.
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: To view and manage locks in the system.
  SM21: To check system logs for any related errors.
  SE11: To check the data dictionary for the plan version table.
  
  
  
  Best Practices:
  
  Ensure that users are trained to properly release locks when they are done with their work.
  Implement a process for handling locks, especially during peak planning periods.
  Regularly monitor and manage user sessions to prevent stale locks.
  
  
  
  Documentation: Refer to SAP Help documentation for more details on managing locks and planning versions in your specific SAP environment.
  
  
  If the issue persists after trying the above solutions, it may be necessary to consult with your SAP Basis team or SAP support for further assistance.