How To Fix DMEE326 - Error aggregating node &1: no node with reference ID &2

DMEE326 - Overview

• Message type: E = Error

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

• Message number: 326

• Message text: Error aggregating node &1: no node with reference ID &2

What causes this issue?

You have used reference ID &V2& in the aggregation data for node &V1&,
but this reference ID is not assigned to any nodes in the format tree.

System Response

The format tree is inconsistent and it cannot be activated.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

DMEE326 - Details

• The SAP error message DMEE326 typically occurs in the context of the Data Medium Exchange Engine (DMEE) when there is an issue with aggregating nodes in a DMEE format tree. This error indicates that the system is trying to aggregate a node, but it cannot find a node with the specified reference ID.
  
  Cause:
  The error can be caused by several factors, including:
  
  Missing Node: The node with the reference ID specified in the error message does not exist in the DMEE tree structure.
  Incorrect Configuration: The DMEE format tree may be incorrectly configured, leading to references to non-existent nodes.
  Data Issues: The data being processed may not match the expected structure, causing the aggregation to fail.
  Versioning Issues: If there are multiple versions of the DMEE format, the wrong version may be in use.
  
  
  Solution:
  To resolve the DMEE326 error, you can take the following steps:
  
  
  Check Node Existence:
  
  Open the DMEE format tree in transaction code DMEE.
  Verify that