How To Fix DU020 - Segment name & and sender structure & are not compatible

SAP Error Message - Details

• Message type: E = Error

• Message class: DU - Data transfer to SAP-EIS

• Message number: 020

• Message text: Segment name & and sender structure & are not compatible

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DU020 - Segment name & and sender structure & are not compatible ?

  The SAP error message DU020 indicates that there is a compatibility issue between the segment name and the sender structure in the context of IDoc processing. This error typically arises when the structure of the data being sent does not match the expected structure defined for the IDoc segment.
  Cause:
  
  Mismatch in Structure: The sender structure does not match the expected segment structure. This can happen if there are changes in the data structure or if the wrong segment is being used.
  Incorrect Mapping: The mapping between the IDoc segments and the data structure may not be correctly defined.
  Versioning Issues: If there are different versions of the IDoc or if the IDoc type has been changed without updating the corresponding structures.
  Configuration Errors: Incorrect configuration in the IDoc processing settings or in the partner profiles.
  
  Solution:
  
  Check IDoc Structure: Verify that the IDoc segment structure matches the sender structure. You can do this by checking the IDoc type and segment definitions in transaction WE30 (IDoc Types) and WE31 (IDoc Segments).
  Update Mapping: If there are changes in the data structure, update the mapping accordingly. Ensure that the fields in the sender structure correspond correctly to the fields in the IDoc segment.
  Review Partner Profiles: Check the partner profiles in transaction WE20 to ensure that the settings are correct and that the correct IDoc type is being used.
  Test with Sample Data: Use sample data that matches the expected structure to test the IDoc processing. This can help identify if the issue is with the data being sent.
  Consult Documentation: Review any relevant documentation or change logs to see if there have been recent changes to the IDoc structure or related configurations.
  Debugging: If necessary, use debugging tools to trace the IDoc processing and identify where the mismatch occurs.
  
  Related Information:
  
  Transaction Codes:
  
  WE30: To view and maintain IDoc types.
  WE31: To view and maintain IDoc segments.
  WE20: To maintain partner profiles.
  WE02: To monitor IDocs and check their status.
  
  
  IDoc Documentation: SAP provides extensive documentation on IDocs, including how to define and manage them. This can be helpful for understanding the structure and configuration.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to IDoc processing and the DU020 error.
  
  By following these steps, you should be able to identify and resolve the cause of the DU020 error in your SAP system.