How To Fix DU368 - Sender fields must be unique in a structure (&)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 368

• Message text: Sender fields must be unique in a structure (&)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DU368 - Sender fields must be unique in a structure (&) ?

  The SAP error message DU368 ("Sender fields must be unique in a structure (&)") typically occurs when you are working with data structures in SAP, particularly in the context of data transfer or data mapping scenarios, such as in IDocs, BAPIs, or other data interfaces. This error indicates that there are duplicate field names within a structure, which is not allowed.
  Cause:
  
  Duplicate Field Names: The most common cause of this error is that the structure you are trying to define or use contains fields with the same name. In SAP, each field in a structure must have a unique name to avoid ambiguity during data processing.
  Incorrect Mapping: If you are mapping fields from one structure to another, and the source structure has duplicate field names, this error can arise.
  Data Dictionary Issues: Sometimes, issues in the data dictionary or inconsistencies in the definitions of structures can lead to this error.
  
  Solution:
  
  Check Structure Definition: Review the structure definition in the ABAP Dictionary (transaction SE11). Ensure that all field names are unique within the structure.
  Modify Field Names: If you find duplicate field names, you will need to rename them to ensure uniqueness. This may involve changing the field names in the structure definition and any related programs or function modules that reference this structure.
  Review Mapping Logic: If you are working with data mapping, ensure that the source and target structures do not have conflicting field names. Adjust the mapping logic accordingly.
  Rebuild or Regenerate Objects: After making changes to the structure, you may need to regenerate or rebuild any dependent objects (like function modules, BAPIs, etc.) to ensure that they reflect the updated structure.
  Transport Requests: If you are working in a development environment, ensure that your changes are included in a transport request for proper migration to other environments (like QA or Production).
  
  Related Information:
  
  Transaction Codes: Use transaction SE11 to view and edit data structures, and SE80 for more comprehensive development work.
  Documentation: Refer to SAP documentation or help resources for guidelines on defining structures and data types.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to this error message or provide additional context.
  
  By following these steps, you should be able to resolve the DU368 error and ensure that your structures are correctly defined and utilized within your SAP environment.