How To Fix /IWBEP/SBDSP_DM012 - In Query operation, only one output table can be used

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/SBDSP_DM -

• Message number: 012

• Message text: In Query operation, only one output table can be used

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/SBDSP_DM012 - In Query operation, only one output table can be used ?

  The SAP error message /IWBEP/SBDSP_DM012 indicates that in a query operation, only one output table can be used. This error typically arises in the context of SAP Gateway or OData services when you are trying to define or execute a query that involves multiple output tables, which is not allowed.
  Cause:
  
  Multiple Output Tables: The primary cause of this error is that the query operation is attempting to return data from more than one output table. In OData services, each query operation is expected to return data from a single entity type.
  Incorrect Service Definition: The service definition may have been incorrectly set up to include multiple entities in a way that is not supported.
  Improper Query Structure: The query being executed may be structured in a way that inadvertently references multiple output tables.
  
  Solution:
  
  Review the Query: Check the query being executed to ensure that it is only referencing a single output table. If you need data from multiple tables, consider restructuring your query or using a different approach (like a join).
  Modify the Service Definition: If you are developing or modifying an OData service, ensure that the service definition (e.g., the metadata) is correctly set up to expose only one output entity for the query operation.
  Use Navigation Properties: If you need to access related data from another table, consider using navigation properties instead of trying to return multiple tables directly.
  Check for Annotations: Ensure that any annotations or configurations in the service definition do not inadvertently suggest multiple output tables.
  Debugging: Use transaction codes like /IWFND/ERROR_LOG to check for additional error details that might help in diagnosing the issue.
  
  Related Information:
  
  OData Services: Familiarize yourself with how OData services work in SAP, especially the concepts of entity sets and navigation properties.
  SAP Gateway: Understanding the SAP Gateway framework can help in troubleshooting issues related to service definitions and query operations.
  SAP Documentation: Refer to the official SAP documentation for OData services and the specific error message for more detailed guidance and examples.
  
  By following these steps, you should be able to resolve the error and ensure that your query operations are correctly defined and executed.