How To Fix /IWBEP/CM_V4_MED074 - Operation '&1' does not have an internal name

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 074

• Message text: Operation '&1' does not have an internal name

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_MED074 - Operation '&1' does not have an internal name ?

  The SAP error message /IWBEP/CM_V4_MED074 Operation '&1' does not have an internal name typically occurs in the context of SAP Gateway and OData services. This error indicates that the operation specified (denoted by &1) is not recognized because it lacks an internal name in the system.
  Cause:
  
  Missing Internal Name: The operation you are trying to execute does not have an associated internal name in the OData service definition.
  Service Definition Issues: There may be issues with the service definition or the metadata that is not properly configured.
  Incorrect OData Service Implementation: The OData service might not be implemented correctly, leading to missing operations.
  Versioning Issues: If there are multiple versions of the service, the specific version you are trying to access may not have the operation defined.
  
  Solution:
  
  
  Check Service Definition:
  
  Go to the SAP Gateway Service Builder (transaction code SEGW).
  Open the relevant service and check the operations defined in the service.
  Ensure that the operation you are trying to call is correctly defined and has an internal name.
  
  
  
  Regenerate the Service:
  
  If you have made changes to the service definition, regenerate the service by right-clicking on the service in the Service Builder and selecting "Generate Runtime Objects".
  
  
  
  Check Metadata:
  
  Access the OData service metadata (usually at the URL http://<host>:<port>/sap/opu/odata/sap/<service_name>/$metadata).
  Verify that the operation is listed in the metadata. If it is missing, you may need to add it in the Service Builder.
  
  
  
  Check Implementation:
  
  Ensure that the implementation of the operation in the Data Provider Class (DPC) is correctly defined and activated.
  Check for any syntax errors or issues in the implementation code.
  
  
  
  Clear Cache:
  
  Sometimes, clearing the cache can resolve issues related to outdated metadata. You can do this by using transaction SICF to refresh the service.
  
  
  
  Check for Versioning:
  
  If you are using different versions of the OData service, ensure that you are calling the correct version that includes the operation.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SEGW: Service Builder for OData services.
  SICF: Maintain HTTP Services.
  SE80: Object Navigator for checking related objects.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that might address known issues with the specific version of SAP Gateway you are using.
  
  
  Documentation: Refer to the official SAP documentation for OData services and SAP Gateway for best practices and troubleshooting steps.
  
  
  By following these steps, you should be able to identify and resolve the issue related to the error message /IWBEP/CM_V4_MED074.