How To Fix FDT_HRF089 - Field name &2 in output &1; no JSON supplied

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_HRF - FDT: HRF

• Message number: 089

• Message text: Field name &2 in output &1; no JSON supplied

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_HRF089 - Field name &2 in output &1; no JSON supplied ?

  The SAP error message FDT_HRF089 indicates that there is an issue with the output format of a field in a specific output structure, where a JSON representation is expected but not provided. This error typically arises in the context of SAP applications that utilize the Field-Based Data Transformation (FDT) framework, particularly when dealing with data output formats like JSON.
  Cause:
  The error occurs when:
  
  A field (denoted as &2) in the specified output structure (denoted as &1) is expected to have a JSON representation, but the required JSON data is missing or not supplied.
  There may be a configuration issue in the data transformation settings or the output mapping.
  The source data might not be correctly formatted or might be missing required fields that need to be converted to JSON.
  
  Solution:
  To resolve the FDT_HRF089 error, you can take the following steps:
  
  
  Check Output Configuration:
  
  Review the output configuration for the specific output structure (&1) to ensure that all required fields are correctly defined and mapped.
  Ensure that the field (&2) is included in the output mapping and that it is set to generate a JSON representation.
  
  
  
  Validate Input Data:
  
  Ensure that the input data being processed contains all necessary fields and that they are populated correctly.
  Check if the source data is in the expected format and contains valid values.
  
  
  
  Review Transformation Logic:
  
  If you are using custom transformation logic, review the code to ensure that it correctly handles the conversion of the specified field to JSON.
  Make sure that any conditions or filters applied during the transformation do not inadvertently exclude the required field.
  
  
  
  Debugging:
  
  Use debugging tools available in SAP to trace the data flow and identify where the JSON representation is failing to be generated.
  Look for any logs or error messages that might provide additional context about the failure.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation related to the FDT framework and JSON output to ensure compliance with expected configurations and formats.
  
  
  
  Seek Support:
  
  If the issue persists, consider reaching out to SAP support or consulting with a technical expert who specializes in SAP FDT and data transformation processes.
  
  
  
  Related Information:
  
  FDT Framework: The Field-Based Data Transformation framework in SAP is used for transforming data between different formats and structures, often used in integration scenarios.
  JSON Format: JSON (JavaScript Object Notation) is a lightweight data interchange format that is easy for humans to read and write and easy for machines to parse and generate.
  SAP Notes: Check SAP Notes for any known issues or patches related to the FDT framework and JSON output handling.
  
  By following these steps, you should be able to identify and resolve the cause of the FDT_HRF089 error in your SAP environment.