How To Fix DMEE_ABA550 - Error in conditions of node &1: Reference to node &3 not allowed

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 550

• Message text: Error in conditions of node &1: Reference to node &3 not allowed

What causes this issue?

The conditions for node &V1& include a reference to node &V3& via the
reference node ID &V2&. Node &V3& belongs to a different segment from
node &V1&.
You cannot use this reference, because node &V3& is an aggregation node
or refers to an aggregation node itself.

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?

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 DMEE_ABA550 - Error in conditions of node &1: Reference to node &3 not allowed ?

  The SAP error message DMEE_ABA550 typically occurs in the context of the Data Medium Exchange Engine (DMEE) when there is an issue with the configuration of the DMEE tree, particularly related to the conditions set for nodes in the tree structure.
  Cause:
  The error message indicates that there is a problem with the conditions defined for a specific node in the DMEE tree. Specifically, it states that there is a reference to another node that is not allowed. This can happen due to several reasons:
  
  Incorrect Node Reference: The node referenced in the condition may not be valid or may not exist in the DMEE tree.
  Circular Reference: There may be a circular reference where a node is trying to reference itself or another node that indirectly references it.
  Improper Condition Logic: The logic defined in the conditions may not be correctly set up, leading to invalid references.
  Node Type Restrictions: Certain node types may have restrictions on how they can reference other nodes.
  
  Solution:
  To resolve the DMEE_ABA550 error, you can follow these steps:
  
  
  Check Node References:
  
  Open the DMEE tree in transaction OBPM or DMEE.
  Navigate to the node that is causing the error and check the conditions defined for it.
  Ensure that all referenced nodes exist and are correctly defined.
  
  
  
  Review Condition Logic:
  
  Examine the conditions for any logical errors or incorrect references.
  Make sure that the conditions do not create circular references.
  
  
  
  Validate Node Types:
  
  Ensure that the node types are compatible with the references being made. Some nodes may have restrictions on how they can reference others.
  
  
  
  Test Changes:
  
  After making corrections, test the DMEE tree to ensure that the error no longer occurs.
  Use the "Test" functionality in the DMEE transaction to validate the configuration.
  
  
  
  Consult Documentation:
  
  If you are unsure about the configuration, refer to SAP documentation or help resources for guidance on setting up DMEE trees and conditions.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like OBPM (for DMEE) to access and modify the DMEE tree.
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional guidance on this error.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues faced by other users and their solutions.
  
  By following these steps, you should be able to identify and resolve the cause of the DMEE_ABA550 error in your SAP system.