How To Fix DMEE754 - The tree &1 has already been synchronized. Sync is now unavailable.

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 754

• Message text: The tree &1 has already been synchronized. Sync is now unavailable.

Self-Explanatory Message

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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 DMEE754 - The tree &1 has already been synchronized. Sync is now unavailable. ?

  The SAP error message DMEE754 indicates that there is an issue with the synchronization of a tree in the Data Medium Exchange (DMEE) framework. This error typically occurs when you attempt to synchronize a tree that has already been synchronized, which means that the system does not allow further synchronization until the current state is resolved.
  Cause:
  
  Already Synchronized Tree: The tree you are trying to synchronize has already been synchronized in the current session or context.
  Locking Mechanism: The synchronization process may have a locking mechanism that prevents multiple synchronizations from occurring simultaneously.
  System State: The system might be in a state where it cannot accept new synchronization requests due to ongoing processes or transactions.
  
  Solution:
  
  Check Synchronization Status: Verify if the tree has indeed been synchronized. You can do this by checking the synchronization logs or the status of the tree in the DMEE transaction.
  Wait and Retry: If the tree is locked due to an ongoing process, wait for that process to complete and then try synchronizing again.
  Clear Locks: If you suspect that there is a lock that should not be there, you may need to clear it. This can sometimes be done by restarting the relevant transaction or, in some cases, the SAP system.
  Review Configuration: Ensure that the configuration of the DMEE tree is correct and that there are no inconsistencies that might be causing the synchronization to fail.
  Consult Documentation: Refer to SAP documentation or notes related to DMEE for any specific instructions or known issues regarding synchronization.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like DMEE to access the DMEE configuration and check the status of trees.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Logs and Traces: Review system logs (SM21) and application logs (SLG1) for any additional error messages or warnings that could provide more context about the issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or consult with SAP directly for further assistance.