How To Fix DMEE321 - No reference to other node specified for node &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 321

• Message text: No reference to other node specified for node &1

English slightly rewritten.

What causes this issue?

You have not assigned a reference ID to node &V1&, so it cannot be
referenced from another tree node. For example, to transfer source
values from another node to node &V1&, you need to specify the
reference ID for node &V1&.

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?

Enter a reference ID.

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 DMEE321 - No reference to other node specified for node &1 ?

  The SAP error message DMEE321 ("No reference to other node specified for node &1") typically occurs in the context of the Data Medium Exchange Engine (DMEE) when configuring the DMEE tree for payment formats or other data export formats. This error indicates that a node in the DMEE tree is expected to reference another node, but no such reference has been defined.
  Cause:
  The error is caused by a configuration issue in the DMEE tree structure. Specifically, it occurs when:
  
  A node is defined in the DMEE tree that requires a reference to another node (for example, a parent or sibling node), but that reference has not been established.
  The node is set up to expect data from another node, but the necessary link or mapping is missing.
  
  Solution:
  To resolve the DMEE321 error, follow these steps:
  
  
  Check the DMEE Tree Configuration:
  
  Go to the DMEE transaction (usually transaction code DMEE).
  Open the relevant DMEE tree that is causing the error.
  Identify the node indicated in the error message (replace &1 with the actual node name).
  
  
  
  Review Node Properties:
  
  Select the problematic node and check its properties.
  Look for any settings that require a reference to another node (e.g., "Reference to other node" or similar fields).
  
  
  
  Establish the Reference:
  
  If the node requires a reference to another node, ensure that you specify the correct node in the configuration.
  If necessary, create or adjust the structure of the DMEE tree to ensure that all required references are properly defined.
  
  
  
  Validate the DMEE Tree:
  
  After making changes, validate the DMEE tree to ensure that there are no other configuration issues.
  Use the "Check" function in the DMEE transaction to identify any additional errors.
  
  
  
  Test the Configuration:
  
  Once the references are correctly set up, test the payment format or data export to ensure that the error no longer occurs.
  
  
  
  Related Information:
  
  Documentation: Refer to SAP Help documentation for DMEE for detailed guidance on configuring DMEE trees and understanding node properties.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues or provide updates related to DMEE configurations.
  Community Forums: Consider visiting SAP Community forums or other user groups for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the DMEE321 error and ensure that your DMEE tree is correctly configured.