How To Fix CFD_RUNTIME004 - Supplied BAPI Extension Structure has no KEY component

SAP Error Message - Details

• Message type: E = Error

• Message class: CFD_RUNTIME - Custom Fields: Runtime Data

• Message number: 004

• Message text: Supplied BAPI Extension Structure has no KEY component

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CFD_RUNTIME004 - Supplied BAPI Extension Structure has no KEY component ?

  The SAP error message CFD_RUNTIME004 indicates that a BAPI (Business Application Programming Interface) extension structure that you are trying to use does not contain a key component. This error typically arises when you are working with BAPIs that require a specific structure to be passed, and the structure you provided is missing the necessary key fields.
  Cause:
  
  Missing Key Fields: The extension structure you supplied does not have the required key fields defined. BAPIs often require certain key fields to uniquely identify records in the database.
  Incorrect Structure Definition: The structure you are using may not be defined correctly in the ABAP Dictionary (SE11) or may not match the expected structure for the BAPI.
  Incompatible Data Types: The data types of the fields in the structure may not match the expected types in the BAPI definition.
  
  Solution:
  
  Check the BAPI Documentation: Review the documentation for the specific BAPI you are using to understand the required key fields for the extension structure.
  Modify the Structure: Ensure that the extension structure you are using includes all necessary key fields. You can do this by:
  
  Going to transaction SE11 (Data Dictionary).
  Finding the extension structure you are using.
  Adding the required key fields to the structure.
  
  
  Use the Correct Structure: If you are using a custom structure, consider using the standard structure provided by SAP if it meets your requirements.
  Test the BAPI Call: After making changes, test the BAPI call again to ensure that the error is resolved.
  
  Related Information:
  
  BAPI Structure: BAPIs typically have a defined structure that includes key fields. You can find the structure definition in the BAPI documentation or by using transaction SE37 (Function Module).
  Debugging: If you are still facing issues, consider using the debugger to step through the BAPI call and inspect the data being passed to identify any discrepancies.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance on the BAPI you are using.
  
  By ensuring that your extension structure includes the necessary key components, you should be able to resolve the CFD_RUNTIME004 error.