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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message DMEE326 - Error aggregating node &1: no node with reference ID &2 ?

  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 the node with the reference ID mentioned in the error message exists in the tree structure.
  
  
  
  Review Aggregation Logic:
  
  Ensure that the aggregation logic defined for the node is correct and that it references existing nodes.
  Check the properties of the node to ensure that it is set up correctly for aggregation.
  
  
  
  Validate Data:
  
  Ensure that the data being processed conforms to the expected structure defined in the DMEE format.
  Check for any inconsistencies or missing data that could lead to the error.
  
  
  
  Check for Version Conflicts:
  
  If there are multiple versions of the DMEE format, ensure that the correct version is being used for the processing.
  You can check the version in the DMEE transaction and make sure it matches the one intended for use.
  
  
  
  Debugging:
  
  If the issue persists, consider using debugging tools to trace the execution and identify where the aggregation is failing.
  Look for any additional error messages or logs that may provide more context.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to DMEE for any known issues or additional troubleshooting steps.
  
  
  
  Seek Help from SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance, providing them with the error details and any relevant configuration information.
  
  
  
  Related Information:
  
  Transaction Codes: DMEE (for managing DMEE formats), SE80 (for development work), and ST22 (for dump analysis).
  SAP Notes: Check for any relevant SAP Notes that may address known issues with DMEE or provide patches.
  Community Forums: SAP Community and other forums can be useful for finding similar issues faced by other users and their solutions.
  
  By following these steps, you should be able to identify and resolve the DMEE326 error effectively.