How To Fix /IWBEP/SBOD327 - Entity Set name '&1&2&3' is not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/SBOD -

• Message number: 327

• Message text: Entity Set 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/SBOD327 - Entity Set name '&1&2&3' is not unique ?

  The SAP error message /IWBEP/SBOD327 Entity Set name '&1&2&3' 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 name in the service metadata, which leads to ambiguity when the service is called.
  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 name. This can happen if:
  
  The same entity type is included multiple times in the service definition.
  There are naming conflicts due to similar naming conventions in different parts of the service.
  
  
  
  Incorrect Service Registration: If the service is registered incorrectly or if there are multiple versions of the same service, it can lead to conflicts in entity set names.
  
  
  Model Changes: If the underlying data model has been changed (e.g., new entities added or existing ones modified) without proper adjustments in the service definition, it can lead to this error.
  
  
  Solution:
  
  
  Check Entity Set Definitions: Review the OData service definition in the SAP Gateway Service Builder (transaction code SEGW). Look for duplicate entity set names and ensure that each entity set has a unique name.
  
  
  Rename Duplicates: If you find duplicate entity sets, rename them to ensure uniqueness. This may involve changing the name of the entity set or modifying the way entities are grouped.
  
  
  Regenerate the Service: After making changes to the entity set names, regenerate the service. This can be done in the Service Builder by selecting the service and choosing the "Generate" option.
  
  
  Check Service Registration: Ensure that the service is registered correctly in the SAP Gateway. You can check this in transaction code /IWFND/MAINT_SERVICE.
  
  
  Clear Cache: Sometimes, caching issues can cause problems. Clear the cache of the OData service using transaction code /IWFND/CACHE_CLEANUP.
  
  
  Test the Service: After making the necessary 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_CLEANUP: Clear OData service cache.
  
  
  
  Documentation: Refer to SAP Help documentation for OData services and SAP Gateway for more detailed information on service definitions and troubleshooting.
  
  
  SAP Notes: Check for any relevant SAP Notes that may 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.