How To Fix GP340 - Distribution key & is already being edited by &

GP340 - Overview

• Message type: E = Error

• Message class: GP - FI-SL and CO planning

• Message number: 340

• Message text: Distribution key & is already being edited by &

What causes this issue?

This distribution key is already being processed by another user.

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?

&NOTE&
The other user could be you yourself in a different session.

Error message extract from SAP system. Copyright SAP SE.

GP340 - Details

• The SAP error message GP340 indicates that a distribution key is currently being edited by another user. This typically occurs in the context of SAP's General Planning (GP) module, where multiple users may attempt to access or modify the same distribution key simultaneously.
  
  Cause:
  
  Concurrent Access: Another user is currently editing the distribution key, which locks it for other users to prevent conflicting changes.
  Session Timeout: A previous session may not have been properly closed, leaving the distribution key in an "in-use" state.
  System Lock: The system may have a lock on the distribution key due to a transaction that has not been completed or has encountered an error.
  
  
  Solution:
  
  Wait and Retry: If another user is editing the distribution key, wait for them to finish and then try again.
  Check User Sessions: Use transaction codes like SM04 or AL08 to check active user sessions. If you identify a session that is no longer active but still