/IWBEP/SBOD330 - Entity Set Internal Name '&1' is not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/SBOD -

• Message number: 330

• Message text: Entity Set Internal Name '&1' is not unique

Self-Explanatory Message

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AnswerBot

• What is the cause and solution for SAP error message /IWBEP/SBOD330 - Entity Set Internal Name '&1' is not unique ?

  The SAP error message /IWBEP/SBOD330 Entity Set Internal Name '&1' is not unique typically occurs in the context of SAP Gateway and OData services. This error indicates that there are multiple entity sets defined with the same internal name, which leads to ambiguity when the system tries to resolve which entity set to use.
  Cause:
  
  Duplicate Entity Set Names: The most common cause of this error is that there are two or more entity sets defined in the OData service with the same internal name. This can happen if the same entity type is used in multiple places or if there are naming conflicts in the service definition.
  Incorrect Service Registration: If the OData service is registered incorrectly or if there are remnants of old definitions that have not been cleaned up, it can lead to this error.
  Model Conflicts: If you are using multiple models or have extended existing models without proper naming conventions, it can lead to conflicts.
  
  Solution:
  
  Check Entity Set Definitions: Go to the service definition in the SAP Gateway Service Builder (transaction code SEGW) and check the entity sets. Ensure that each entity set has a unique internal name.
  Rename Duplicate Entity Sets: If you find duplicate entity sets, rename them to ensure uniqueness. This may involve changing the internal names in the service definition.
  Regenerate the Service: After making changes, regenerate the service by right-clicking on the service in the Service Builder and selecting "Generate Runtime Objects."
  Clear Cache: Clear the cache of the OData service. You can do this by using transaction code /IWFND/CACHE or by using the "Clear Cache" option in the SAP Gateway Client.
  Check Service Registration: Ensure that the service is registered correctly in the SAP Gateway. You can check this in transaction code /IWFND/MAINT_SERVICE.
  Test the Service: After making the changes, test the OData service to ensure that the error is resolved.
  
  Related Information:
  
  Transaction Codes:
  
  SEGW: Service Builder for OData services.
  /IWFND/MAINT_SERVICE: Manage OData services.
  /IWFND/CACHE: Clear OData service cache.
  
  
  Documentation: Refer to SAP Help documentation for OData services and SAP Gateway for more detailed information on service definitions and best practices.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to this error message.
  
  By following these steps, you should be able to resolve the error and ensure that your OData service functions correctly.