How To Fix /IWBEP/CM_V4_MED358 - Operation advertising property only allowed in entity or complex type

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 358

• Message text: Operation advertising property only allowed in entity or complex type

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_MED358 - Operation advertising property only allowed in entity or complex type ?

  The SAP error message /IWBEP/CM_V4_MED358 indicates that there is an issue with the way an operation is being defined in an OData service. Specifically, the error states that the "operation advertising property" is only allowed in an entity or complex type. This typically occurs when you are trying to define an operation (like a function import) that is not correctly associated with an entity or complex type in your OData model.
  Cause:
  
  Incorrect Definition: The operation you are trying to define is not associated with a valid entity or complex type. This can happen if you are trying to define a function or action that is not properly linked to the data model.
  Model Configuration: The OData service model may not be configured correctly, leading to the system not recognizing the operation in the context of an entity or complex type.
  Service Implementation: The implementation of the service might be missing necessary annotations or definitions that link the operation to the appropriate entity or complex type.
  
  Solution:
  
  Check the OData Model: Review the OData model definition to ensure that the operation is correctly defined within the context of an entity or complex type. Make sure that the operation is associated with the correct entity set.
  Define the Operation Correctly: If you are defining a function import or action, ensure that it is properly declared in the service metadata and that it is linked to an entity or complex type.
  Annotations: Ensure that any necessary annotations are present in the metadata to indicate that the operation is valid for the specified entity or complex type.
  Regenerate the Service: If changes have been made to the model, regenerate the OData service to ensure that the changes are reflected in the service metadata.
  Check for Typos: Sometimes, simple typographical errors in the model definition can lead to such issues. Double-check the names and references used in the model.
  
  Related Information:
  
  OData Documentation: Refer to the official SAP OData documentation for guidelines on defining operations and the structure of OData services.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and to find potential solutions or workarounds.
  Debugging Tools: Use debugging tools available in SAP (like the Gateway Client) to test the OData service and see how the operations are being processed.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.