How To Fix DMEE_ABA102 - Format tree &1 is already being processed by user &2

SAP Error Message - Details

• Message type: E = Error

• Message class: DMEE_ABA - Messages for Data Medium Exchange Engine

• Message number: 102

• Message text: Format tree &1 is already being processed by user &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMEE_ABA102 - Format tree &1 is already being processed by user &2 ?

  The SAP error message DMEE_ABA102 indicates that a format tree is currently being processed by another user. This typically occurs in the context of the Data Medium Exchange Engine (DMEE) when multiple users attempt to access or modify the same format tree simultaneously.
  Cause:
  
  
  Concurrent Access: The primary cause of this error is that the format tree you are trying to access is already locked by another user. This can happen if:
  
  Another user is editing the same format tree.
  A previous session did not close properly, leaving the format tree in a locked state.
  
  
  
  Session Timeout: Sometimes, if a user has been inactive for a while, their session may time out, but the lock on the format tree may not be released immediately.
  
  
  Solution:
  
  
  Wait and Retry: If you encounter this error, the simplest solution is to wait for a few moments and then try to access the format tree again. If the other user is done, the lock will be released.
  
  
  Check Active Sessions: If you have access to transaction codes like SM12 (to view and manage locks) or SM21 (to check system logs), you can check if the format tree is locked and by whom. If you find that the lock is held by a user who is no longer active, you may need to contact your SAP Basis team to release the lock.
  
  
  Communicate with Users: If you are in a collaborative environment, communicate with your team members to ensure that only one person is working on the format tree at a time.
  
  
  Session Management: Ensure that users properly log off or close their sessions when they are done working with the format tree to avoid leaving it locked.
  
  
  SAP Notes: Check for any relevant SAP Notes that might address this issue or provide additional guidance. Sometimes, there are patches or updates that can resolve locking issues.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like DMEE (for Data Medium Exchange Engine) and SE11 (for Data Dictionary) to manage format trees effectively.
  User Roles and Permissions: Ensure that users have the appropriate roles and permissions to access and modify format trees to minimize conflicts.
  Documentation: Review SAP documentation on DMEE for best practices in managing format trees and avoiding concurrent access issues.
  
  By following these steps, you should be able to resolve the DMEE_ABA102 error and manage format trees more effectively in SAP.