How To Fix DMEE421 - Node &1 has assigned level &2 which does not exist

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 421

• Message text: Node &1 has assigned level &2 which does not exist

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMEE421 - Node &1 has assigned level &2 which does not exist ?

  The SAP error message DMEE421 indicates that there is an issue with the Data Medium Exchange Engine (DMEE) configuration, specifically related to the node levels defined in the DMEE tree structure. The error message states that a node has been assigned a level that does not exist in the DMEE configuration.
  Cause:
  
  Incorrect Level Assignment: The node in question has been assigned a level that is not defined in the DMEE tree structure. This can happen if the level number is incorrectly specified or if the levels have been modified or deleted in the DMEE configuration.
  Configuration Changes: If there have been recent changes to the DMEE configuration, such as adding or removing nodes or levels, it may lead to inconsistencies.
  Data Model Issues: The data model being used may not align with the expected structure, leading to mismatches in node levels.
  
  Solution:
  
  
  Check DMEE Configuration:
  
  Go to the DMEE transaction (usually transaction code DMEE).
  Review the DMEE tree structure and ensure that all nodes are correctly assigned to existing levels.
  Verify that the level numbers assigned to each node are valid and correspond to the defined levels in the DMEE configuration.
  
  
  
  Correct Level Assignments:
  
  If you find any nodes assigned to non-existent levels, update their level assignments to match the existing levels in the DMEE tree.
  Ensure that the hierarchy of nodes is maintained correctly.
  
  
  
  Recreate or Adjust Levels:
  
  If necessary, you may need to recreate or adjust the levels in the DMEE configuration to ensure that all nodes have valid level assignments.
  
  
  
  Test the Configuration:
  
  After making changes, test the DMEE configuration to ensure that the error no longer occurs and that the data medium file is generated correctly.
  
  
  
  Related Information:
  
  Transaction Codes: Use transaction code DMEE to access the DMEE configuration.
  Documentation: Refer to SAP documentation or help resources for detailed guidance on configuring DMEE and understanding node levels.
  Support: If the issue persists after checking the configuration, consider reaching out to SAP support or consulting with a technical expert familiar with DMEE configurations.
  
  By following these steps, you should be able to resolve the DMEE421 error and ensure that your DMEE configuration is correctly set up.