How To Fix /IWBEP/CM_MGW_EDPLOG074 - Get Expanded Entity Set calls Outbound mapping &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_EDPLOG -

• Message number: 074

• Message text: Get Expanded Entity Set calls Outbound mapping &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_MGW_EDPLOG074 - Get Expanded Entity Set calls Outbound mapping &1 ?

  The SAP error message /IWBEP/CM_MGW_EDPLOG074 typically occurs in the context of SAP Gateway and OData services when there is an issue with the outbound mapping of an expanded entity set. This error indicates that the system is unable to retrieve or process the expanded entity set due to a mapping issue.
  Cause:
  
  Mapping Configuration Issues: The error often arises from incorrect or incomplete mapping configurations in the OData service. This could be due to missing or incorrectly defined associations between entities.
  Data Model Changes: If there have been changes to the underlying data model (like changes in the database tables or structures) without corresponding updates in the OData service, it can lead to mapping errors.
  Service Implementation Errors: Errors in the implementation of the service methods (like GET_ENTITYSET or GET_ENTITY) can also cause this issue.
  Authorization Issues: Sometimes, the error can be related to authorization problems where the user does not have the necessary permissions to access the expanded entity set.
  
  Solution:
  
  Check Mapping Configuration: Review the mapping configuration in the SAP Gateway Service Builder (transaction code SEGW). Ensure that all associations and navigation properties are correctly defined.
  Update Service Implementation: If there have been changes to the data model, ensure that the service implementation is updated accordingly. This may involve regenerating the service or adjusting the code in the DPC (Data Provider Class) and MPC (Model Provider Class).
  Debugging: Use the SAP Gateway Client (transaction code /IWFND/GW_CLIENT) to test the OData service and check the response. Debugging the service implementation can help identify where the mapping is failing.
  Check Authorizations: Ensure that the user has the necessary authorizations to access the data being requested. This can be checked in transaction SU53 or by reviewing the user roles and authorizations.
  Regenerate the Service: If the issue persists, consider regenerating the OData service. This can be done in the Service Builder by right-clicking on the service and selecting "Regenerate".
  
  Related Information:
  
  Transaction Codes:
  
  SEGW: Service Builder for OData services.
  /IWFND/GW_CLIENT: Gateway Client for testing OData services.
  SE80: Object Navigator for checking the implementation of the service.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error.
  Documentation: Review the SAP Gateway documentation for best practices on service implementation and mapping.
  
  By following these steps, you should be able to identify and resolve the issue causing the /IWBEP/CM_MGW_EDPLOG074 error in your SAP system.