How To Fix DMEE303 - No structure field defined as source/target field for node &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 303

• Message text: No structure field defined as source/target field for node &1

What causes this issue?

You have selected the mapping procedure <ls>Structure Field,</> but you
have not specified a target structure and target field.

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?

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 DMEE303 - No structure field defined as source/target field for node &1 ?

  The SAP error message DMEE303 indicates that there is an issue with the Data Medium Exchange (DMEE) configuration, specifically related to the mapping of fields in the structure for a given node. This error occurs when the system cannot find a defined source or target field for the specified node in the DMEE tree structure.
  Cause:
  
  Missing Field Definition: The node in the DMEE tree does not have a source or target field defined. This can happen if the configuration was not completed or if the field was inadvertently deleted.
  Incorrect Node Configuration: The node may be incorrectly configured, leading to the system not recognizing the fields associated with it.
  Inconsistent Data Structure: The data structure being used may not match the expected structure defined in the DMEE configuration.
  
  Solution:
  
  
  Check Node Configuration:
  
  Go to the DMEE transaction (transaction code: DMEE).
  Locate the specific node mentioned in the error message.
  Ensure that the node has the appropriate source and target fields defined. If not, you will need to add them.
  
  
  
  Define Source/Target Fields:
  
  For the node in question, ensure that you have defined the source field (from which data is being pulled) and the target field (where data is being sent).
  You can do this by selecting the node and checking the properties or settings related to field mapping.
  
  
  
  Review Data Structure:
  
  Verify that the data structure you are using is correct and matches the expected format. If there are changes in the data structure, you may need to update the DMEE configuration accordingly.
  
  
  
  Test Configuration:
  
  After making the necessary changes, test the configuration to ensure that the error no longer occurs. You can do this by generating the data medium again.
  
  
  
  Consult Documentation:
  
  If you are unsure about the correct configuration, refer to SAP documentation or guides related to DMEE for detailed instructions on setting up nodes and fields.
  
  
  
  Related Information:
  
  Transaction Codes: DMEE (Data Medium Exchange), SE11 (Data Dictionary), SE80 (Object Navigator).
  SAP Notes: Check for any relevant SAP Notes that may address specific issues or provide additional guidance on DMEE configurations.
  Community Forums: Consider visiting SAP Community forums or other user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to resolve the DMEE303 error and ensure that your DMEE configuration is correctly set up.