How To Fix DMEE125 - Existing tree will be overwritten

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 125

• Message text: Existing tree will be overwritten

What causes this issue?

If you upload and save an XML file for a format tree that already
exists in the system, the new data overwrites all existing format tree
data.

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?

If you wish to preserve the existing version of the format tree, you
can copy the tree before you upload a new version of the tree into the
system by means of the XML upload function.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DMEE125 - Existing tree will be overwritten ?

  The SAP error message DMEE125 ("Existing tree will be overwritten") typically occurs in the context of the Data Medium Exchange Engine (DMEE) when you are trying to create or modify a DMEE tree that already exists. This message serves as a warning that the current tree configuration will be replaced by the new one you are trying to save.
  Cause:
  
  Tree Already Exists: You are attempting to create a new DMEE tree with the same name as an existing tree.
  Overwrite Confirmation: The system is set to overwrite the existing tree without prompting for confirmation, which can lead to unintentional data loss if the existing tree is not backed up.
  
  Solution:
  
  
  Check Existing Trees: Before creating a new tree, check if a tree with the same name already exists. You can do this by navigating to the DMEE transaction (usually transaction code DMEE) and reviewing the list of existing trees.
  
  
  Rename the New Tree: If you want to keep the existing tree, consider renaming the new tree you are trying to create to avoid the conflict.
  
  
  Backup Existing Tree: If you need to keep the existing tree but also want to create a new one, make a backup of the existing tree. You can do this by exporting the tree configuration before making changes.
  
  
  Confirm Overwrite: If you are sure that you want to overwrite the existing tree, you can proceed with the action. However, ensure that you have a backup or that you are aware of the implications of this action.
  
  
  Review Permissions: Ensure that you have the necessary permissions to create or modify DMEE trees, as insufficient permissions can sometimes lead to unexpected behavior.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as DMEE for managing DMEE trees.
  Documentation: Refer to SAP documentation or help resources for detailed information on DMEE and its functionalities.
  SAP Notes: Check for any SAP Notes related to DMEE that might address specific issues or provide additional guidance.
  
  By following these steps, you should be able to resolve the DMEE125 error and manage your DMEE trees effectively.