How To Fix CFD_GW_PUBLIC002 - Referenced entity type &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: 002

• Message text: Referenced entity type &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_PUBLIC002 - Referenced entity type &1 not found in runtime buffer ?

  The SAP error message CFD_GW_PUBLIC002, which states "Referenced entity type &1 not found in runtime buffer," typically occurs in the context of SAP Gateway services. This error indicates that the system is unable to find a specific entity type in the runtime buffer, which is necessary for processing the request.
  Cause:
  
  Entity Type Not Registered: The entity type referenced in the error message may not be properly registered in the SAP Gateway service.
  Service Activation: The OData service that includes the entity type may not be activated or may have been deactivated.
  Buffer Issues: There may be issues with the runtime buffer, such as it being out of sync or not refreshed after changes were made to the data model.
  Model Changes: If there have been recent changes to the data model (like adding or modifying entity types) without properly regenerating or reactivating the service, this error can occur.
  Authorization Issues: Sometimes, authorization issues can prevent the entity type from being accessed, leading to this error.
  
  Solution:
  
  
  Check Service Activation:
  
  Go to the SAP Gateway Service Builder (transaction code /IWFND/MAINT_SERVICE).
  Ensure that the service containing the entity type is activated.
  
  
  
  Regenerate the Service:
  
  If changes were made to the data model, regenerate the service in the Service Builder.
  You can also try to deactivate and then reactivate the service.
  
  
  
  Clear the Runtime Buffer:
  
  Use transaction code /IWFND/ERROR_LOG to check for any related errors.
  Clear the runtime buffer by using transaction code /IWFND/BUFFER and selecting the option to clear the buffer.
  
  
  
  Check Entity Type Definition:
  
  Verify that the entity type is correctly defined in the data model and that it matches the expected structure.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the entity type.
  
  
  
  Check for Transport Issues:
  
  If the changes were transported from a development system to a production system, ensure that all necessary objects were included in the transport.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific error message for any known issues or patches.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  Documentation: Review the official SAP documentation for OData services and SAP Gateway for best practices in service management.
  
  By following these steps, you should be able to identify and resolve the issue related to the CFD_GW_PUBLIC002 error message.