How To Fix CFD_GW_PUBLIC001 - Reference field &1 not found in runtime buffer

SAP Error Message - Details

• Message type: E = Error

• Message class: CFD_GW_PUBLIC - Custom Fields: Gateway Integration Public APIs

• Message number: 001

• Message text: Reference field &1 not found in runtime buffer

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CFD_GW_PUBLIC001 - Reference field &1 not found in runtime buffer ?

  The SAP error message CFD_GW_PUBLIC001, which states "Reference field &1 not found in runtime buffer," typically occurs in the context of SAP Gateway and OData services. This error indicates that the system is unable to find a specific reference field in the runtime buffer, which is necessary for processing the request.
  Cause:
  
  Field Not Available: The reference field specified in the error message is not available in the runtime buffer. This can happen if the field is not included in the data model or if there is a mismatch between the data model and the actual data being processed.
  Model Changes: If there have been recent changes to the data model (e.g., adding or removing fields) without properly updating the OData service, it can lead to this error.
  Caching Issues: Sometimes, caching issues can prevent the latest data model from being recognized, leading to this error.
  Incorrect Mapping: If there is incorrect mapping in the OData service or if the service is not properly configured, it can lead to this error.
  
  Solution:
  
  Check Data Model: Verify that the reference field mentioned in the error message is correctly defined in the data model. Ensure that it is included in the relevant entity type.
  Update OData Service: If there have been changes to the data model, regenerate the OData service. This can be done using transaction code /IWFND/MAINT_SERVICE to maintain the service and ensure it reflects the latest changes.
  Clear Cache: Clear the cache of the OData service. You can do this by using transaction code /IWFND/CACHE to clear the cache for the OData services.
  Check Service Implementation: Review the implementation of the OData service to ensure that all fields are correctly mapped and that there are no discrepancies between the service definition and the actual data.
  Debugging: If the issue persists, consider debugging the OData service to trace where the error occurs and to identify any potential issues in the code or configuration.
  
  Related Information:
  
  Transaction Codes:
  
  /IWFND/MAINT_SERVICE: To maintain OData services.
  /IWFND/CACHE: To clear the OData service cache.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the SAP Gateway and OData documentation for best practices in service implementation and data model management.
  
  By following these steps, you should be able to resolve the CFD_GW_PUBLIC001 error and ensure that your OData service functions correctly.