How To Fix DMEE391 - Error in checks for node &1: operator missing in line &2

DMEE391 - Overview

• Message type: E = Error

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

• Message number: 391

• Message text: Error in checks for node &1: operator missing in line &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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DMEE391 - Details

• The SAP error message DMEE391 indicates that there is an issue with the Data Medium Exchange Engine (DMEE) configuration, specifically related to the structure of the DMEE tree. This error typically arises when there is a missing operator in the expression defined for a node in the DMEE tree.
  
  Cause:
  The error message DMEE391 is triggered when:
  
  An operator (such as +, -, *, /, etc.) is missing in the expression for a specific node.
  The syntax of the expression in the DMEE tree is incorrect, leading to parsing issues.
  There may be a misconfiguration in the DMEE tree structure that prevents it from being processed correctly.
  
  
  Solution:
  To resolve the DMEE391 error, follow these steps:
  
  
  Identify the Node and Line Number: The error message specifies the node (&1) and the line number (&2) where the issue occurs. Use this information to locate the problematic node in the DMEE tree.
  
  
  Check the Expression: 
  
  Open the DMEE tree in transaction