How To Fix DMEE338 - Node &1: segment's first subnode must be element/composite/technical node

DMEE338 - Overview

• Message type: E = Error

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

• Message number: 338

• Message text: Node &1: segment's first subnode must be element/composite/technical node

What causes this issue?

Each segment must contain at least one element/technical node or one
composite as a subnode. Segments for which the <DS:DE.DMEE_FL2>"Output
Delayed Segment at This Position"</> indicator is set represent the
exception: they have no subnodes.

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?

If you only wish to group segments and segment groups under a node,
then use a segment group instead of a segment.

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 DMEE338 - Node &1: segment's first subnode must be element/composite/technical node ?

  The SAP error message DMEE338 indicates an issue with the structure of a DMEE (Data Medium Exchange Engine) format tree. Specifically, it points out that the first subnode of a specified segment must be an element, composite, or technical node. This error typically arises when the DMEE format is not correctly defined according to the expected structure.
  
  Cause:
  
  Incorrect Node Structure: The first subnode of the segment is not defined as an element, composite, or technical node. This could happen if the node type is incorrectly set or if the node is missing.
  Misconfiguration: The DMEE format tree may have been misconfigured, leading to an invalid hierarchy.
  Version Compatibility: If you are using an older version of DMEE or have recently upgraded, there may be compatibility issues with the format definitions.
  
  
  Solution:
  
  
  Check Node Definition:
  
  Open the DMEE format tree in the DMEE transaction (usually transaction code DMEE).
  Navigate to the segment that is causing the error (indicated