How To Fix DMEE_ABA307 - Incorrect level allocation in node &1: level &2 comes after level &3

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 307

• Message text: Incorrect level allocation in node &1: level &2 comes after level &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMEE_ABA307 - Incorrect level allocation in node &1: level &2 comes after level &3 ?

  The SAP error message DMEE_ABA307 indicates an issue with the configuration of the Data Medium Exchange Engine (DMEE) in SAP, specifically related to the hierarchical structure of the nodes in the DMEE tree. This error typically arises when the levels in the DMEE tree are not correctly defined, leading to an incorrect sequence of levels.
  Cause:
  The error message "Incorrect level allocation in node &1: level &2 comes after level &3" suggests that there is a misconfiguration in the DMEE tree structure. This means that the hierarchy of nodes is not properly set up, where a node at a certain level is expected to come before another node at a higher level, but it is instead placed after it. This can happen due to:
  
  Incorrect Node Configuration: The levels of the nodes in the DMEE tree are not aligned correctly.
  Manual Changes: Manual adjustments to the DMEE tree that disrupt the expected hierarchy.
  Copying Nodes: Copying nodes from one structure to another without adjusting their levels accordingly.
  
  Solution:
  To resolve the DMEE_ABA307 error, you can follow these steps:
  
  
  Review the DMEE Tree Structure:
  
  Go to the DMEE transaction (usually transaction code DMEE).
  Open the relevant DMEE tree and examine the node structure.
  Check the levels of the nodes and ensure that they are correctly defined.
  
  
  
  Adjust Node Levels:
  
  Identify the nodes mentioned in the error message (node &1, level &2, and level &3).
  Ensure that the node at level &2 is correctly positioned in relation to level &3. The hierarchy should be such that a node at a lower level should not appear after a node at a higher level.
  
  
  
  Validate the Configuration:
  
  After making adjustments, validate the DMEE tree to ensure that there are no further errors.
  Use the "Check" function in the DMEE transaction to identify any other potential issues.
  
  
  
  Test the Configuration:
  
  Once the adjustments are made, perform a test run to ensure that the DMEE output is generated correctly without any errors.
  
  
  
  Documentation:
  
  Document any changes made to the DMEE configuration for future reference and to assist other team members.
  
  
  
  Related Information:
  
  Transaction Codes: DMEE (Data Medium Exchange Engine), SE11 (Data Dictionary), SE80 (Object Navigator).
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or fixes related to DMEE configuration issues.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the DMEE_ABA307 error and ensure that your DMEE configuration is correctly set up.