How To Fix /IWBEP/SBOD326 - Entity Type name '&1&2&3' is not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/SBOD -

• Message number: 326

• Message text: Entity Type name '&1&2&3' is not unique

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/SBOD326 - Entity Type name '&1&2&3' is not unique ?

  The SAP error message /IWBEP/SBOD326 indicates that there is a problem with the uniqueness of an entity type name in the OData service definition. This error typically arises when there are multiple entity types defined with the same name in the service metadata, which violates the requirement for entity type names to be unique within the same namespace.
  Cause:
  
  Duplicate Entity Types: The most common cause of this error is that there are two or more entity types defined with the same name in the same OData service or model.
  Incorrect Model Configuration: The model might be incorrectly configured, leading to the generation of duplicate entity types.
  Namespace Issues: If entity types are defined in different namespaces but are being referenced in a way that causes a conflict, this can also lead to this error.
  
  Solution:
  
  Check Entity Type Definitions: Review the definitions of your entity types in the OData service. Ensure that each entity type has a unique name.
  Adjust Namespaces: If you have multiple entity types that need to have the same name, consider placing them in different namespaces to avoid conflicts.
  Regenerate the Service: If you have made changes to the entity types or their configurations, regenerate the OData service to ensure that the metadata is updated correctly.
  Check for Inheritance: If you are using inheritance in your entity types, ensure that the base and derived types do not have conflicting names.
  Review Annotations: Sometimes, annotations can cause confusion in the entity type definitions. Ensure that annotations are correctly applied and do not lead to ambiguity.
  
  Related Information:
  
  OData Service Metadata: Understanding how OData services generate metadata can help in troubleshooting issues related to entity types.
  SAP Gateway: Familiarize yourself with the SAP Gateway framework, as it is responsible for exposing OData services and managing entity types.
  SAP Notes and Documentation: Check SAP Notes for any known issues or patches related to this error message. SAP's official documentation can also provide insights into best practices for defining entity types.
  
  By following these steps, you should be able to resolve the /IWBEP/SBOD326 error and ensure that your OData service functions correctly.