How To Fix DMEE_ABA339 - Node &1 cannot be converted to another node type

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 339

• Message text: Node &1 cannot be converted to another node type

What causes this issue?

It is only possible to convert certain node types to other node types.
In this case, the selected node cannot be converted.
The following conversions are possible:
Elements can be converted to technical nodes and vice versa.
Segments can be converted to segment groups and vice versa. Note,
however, that to carry out this conversion, the segment cannot contain
any of the following nodes as subnodes: elements, composites, or
technical nodes. This is because these types of subnodes are not
permitted for segment groups.

System Response

The system cannot carry out this conversion.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

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 DMEE_ABA339 - Node &1 cannot be converted to another node type ?

  The SAP error message DMEE_ABA339 indicates that there is an issue with the configuration of the Data Medium Exchange Engine (DMEE) in SAP. Specifically, the error message states that a node cannot be converted to another node type, which typically occurs when there is a mismatch in the expected data structure or node type within the DMEE tree.
  Cause:
  
  Node Type Mismatch: The error usually arises when there is an attempt to convert a node to a different type than what is defined in the DMEE structure. For example, trying to convert a data node to a header node or vice versa.
  Incorrect Configuration: The DMEE tree might be incorrectly configured, leading to inconsistencies in the node definitions.
  Data Structure Issues: The data being processed may not conform to the expected structure defined in the DMEE configuration.
  
  Solution:
  
  
  Check DMEE Configuration:
  
  Go to the DMEE transaction (usually transaction code DMEE) and review the configuration of the DMEE tree.
  Ensure that the node types are correctly defined and that there are no mismatches in the expected structure.
  
  
  
  Review Node Definitions:
  
  Verify the properties of the node that is causing the error. Make sure that the node type is appropriate for the data being processed.
  If necessary, adjust the node type or the data being processed to ensure compatibility.
  
  
  
  Test with Sample Data:
  
  Use sample data that conforms to the expected structure to test the DMEE configuration. This can help identify if the issue is with the data or the configuration itself.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for DMEE to understand the expected configurations and node types.
  
  
  
  Debugging:
  
  If the issue persists, consider using debugging tools to trace the processing of the DMEE tree and identify where the conversion is failing.
  
  
  
  Related Information:
  
  DMEE Documentation: SAP provides extensive documentation on the Data Medium Exchange Engine, which can be helpful in understanding how to configure and troubleshoot issues.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to DMEE errors.
  Community Forums: SAP Community and other forums can be valuable resources for finding solutions to similar issues encountered by other users.
  
  By following these steps, you should be able to identify and resolve the cause of the DMEE_ABA339 error in your SAP system.