How To Fix DMEE102 - Tree &1 is already being processed by user &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 102

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

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMEE102 - Tree &1 is already being processed by user &2 ?

  The SAP error message DMEE102 indicates that a DMEE (Data Medium Exchange Engine) tree is currently being processed by another user. This typically occurs when multiple users attempt to access or modify the same DMEE tree simultaneously, which can lead to data inconsistencies or conflicts.
  Cause:
  
  Concurrent Access: The primary cause of this error is that the DMEE tree is locked by another user who is currently editing or processing it.
  Session Issues: Sometimes, a session may not have been properly closed, leaving the tree in a locked state.
  System Configuration: In some cases, system settings or configurations may lead to unexpected locking behavior.
  
  Solution:
  
  Wait and Retry: If you encounter this error, the simplest solution is to wait for the other user to finish their work and then try again.
  Check Active Sessions: If you have access, check for active sessions in the system to see if the tree is indeed being used by another user. You can use transaction codes like SM04 or AL08 to monitor user sessions.
  Contact the User: If you know who is using the tree, you can reach out to them to coordinate access.
  Unlock the Tree: If you believe the tree is locked due to a session that is no longer active, you may need to contact your SAP Basis team to unlock the tree.
  Review Configuration: If this issue occurs frequently, it may be worth reviewing the configuration of the DMEE trees and user access to ensure that it aligns with your organization's needs.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as DMEE for managing DMEE trees and SE11 for data dictionary objects.
  SAP Notes: Check SAP Notes for any known issues or patches related to DMEE processing and locking behavior.
  Documentation: Review SAP documentation on DMEE for best practices in managing trees and avoiding conflicts.
  
  By following these steps, you should be able to resolve the DMEE102 error and manage access to DMEE trees more effectively.