How To Fix FDT_HRF086 - Field name &2 in output &1 is not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_HRF - FDT: HRF

• Message number: 086

• Message text: Field name &2 in output &1 is not unique

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_HRF086 - Field name &2 in output &1 is not unique ?

  The SAP error message FDT_HRF086 indicates that there is a problem with the uniqueness of a field name in the output format of a form or report. Specifically, it means that the field name specified (denoted as &2) is not unique within the output structure (denoted as &1). This can lead to confusion in data processing, as the system cannot determine which instance of the field to reference.
  Cause:
  
  Duplicate Field Names: The most common cause of this error is that the same field name has been defined multiple times in the output structure. This can happen if the same field is included from different data sources or if there are multiple instances of the same field in the layout.
  Incorrect Mapping: If the mapping of fields from the data source to the output format is not done correctly, it can lead to duplicate field names.
  Changes in Data Model: If there have been recent changes to the data model or the structure of the output, it may have introduced duplicates that were not present before.
  
  Solution:
  
  Check Field Definitions: Review the output structure and check for any duplicate field names. Ensure that each field name is unique within the context of the output.
  Modify Field Names: If duplicates are found, consider renaming the fields to ensure uniqueness. This may involve changing the field names in the data source or the output format.
  Review Data Mapping: Ensure that the mapping of fields from the data source to the output is correct and does not lead to duplicates. Adjust the mapping as necessary.
  Test Changes: After making changes, test the output to ensure that the error is resolved and that the output is generated correctly without any duplicates.
  Consult Documentation: If you are unsure about how to resolve the issue, consult the SAP documentation or reach out to your SAP support team for guidance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Debugging: If you have access to debugging tools, you can trace the execution to see where the duplicates are being introduced.
  
  By following these steps, you should be able to identify and resolve the issue causing the FDT_HRF086 error in your SAP system.