How To Fix DMEE346 - Node &1: reference ID &2 is already being used

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 346

• Message text: Node &1: reference ID &2 is already being used

What causes this issue?

You have assigned reference ID &V2& to node &V1&, but this reference ID
was already assigned to another node. The reference IDs are no longer
unique in the format tree, meaning the same reference ID exists more
than once.

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?

Always assign a reference ID to one tree node only.

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 DMEE346 - Node &1: reference ID &2 is already being used ?

  The SAP error message DMEE346 indicates that there is a conflict with a reference ID in the Data Medium Exchange Engine (DMEE) configuration. Specifically, it means that the reference ID you are trying to use for a node in your DMEE tree is already in use by another node. This can happen when you are trying to create or modify a DMEE tree and inadvertently assign the same reference ID to multiple nodes.
  Cause:
  
  Duplicate Reference ID: The most common cause of this error is that the reference ID you are trying to assign to a node is already assigned to another node within the same DMEE tree.
  Incorrect Configuration: There may be a misconfiguration in the DMEE tree structure, leading to conflicts in reference IDs.
  
  Solution:
  
  Check Existing Nodes: Review the DMEE tree structure to identify where the reference ID is already being used. You can do this by navigating through the DMEE transaction (usually transaction code DMEE) and examining the nodes.
  Change Reference ID: If you find that the reference ID is indeed duplicated, you will need to change the reference ID for one of the nodes to a unique value.
  Consistency Check: After making changes, perform a consistency check on the DMEE tree to ensure that there are no other conflicts or issues.
  Save Changes: Once you have resolved the conflict, save your changes and try to execute the DMEE process again.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like DMEE to access the DMEE configuration and make necessary adjustments.
  Documentation: Refer to SAP documentation or help resources for detailed guidance on configuring DMEE trees and understanding reference IDs.
  Support: If you continue to experience issues, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to DMEE.
  
  By following these steps, you should be able to resolve the DMEE346 error and successfully configure your DMEE tree.