How To Fix /IWBEP/SBDSP_DM031 - Data source attribute &1 and model property &2 have different types

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/SBDSP_DM -

• Message number: 031

• Message text: Data source attribute &1 and model property &2 have different types

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/SBDSP_DM031 - Data source attribute &1 and model property &2 have different types ?

  The SAP error message /IWBEP/SBDSP_DM031 indicates a type mismatch between a data source attribute and a model property in the context of SAP Gateway and OData services. This typically occurs when the data type defined in the data source (like a database table or view) does not match the expected data type in the OData model.
  Cause:
  
  Data Type Mismatch: The attribute in the data source has a different data type than the corresponding property in the OData model. For example, if the data source attribute is defined as an integer but the model property is defined as a string, this error will occur.
  Changes in Data Source: If there have been recent changes to the data source (like changes in the database schema) that have not been reflected in the OData model, this can lead to mismatches.
  Model Definition Issues: The OData model may have been incorrectly defined, leading to discrepancies in expected data types.
  
  Solution:
  
  
  Check Data Types: Review the data types of the attributes in the data source and the corresponding properties in the OData model. Ensure that they match. You can do this by:
  
  Accessing the data source definition in the SAP system (e.g., using transaction SE11 for database tables).
  Checking the OData model definition in the relevant ABAP class or service definition.
  
  
  
  Update OData Model: If the data source has changed, update the OData model to reflect the correct data types. This may involve:
  
  Modifying the model definition in the ABAP code.
  Regenerating the OData service to ensure it picks up the latest definitions.
  
  
  
  Rebuild the Service: After making changes, you may need to rebuild the OData service. This can be done using transaction /IWFND/MAINT_SERVICE to activate the service again.
  
  
  Test the Service: After making the necessary adjustments, test the OData service to ensure that the error is resolved and that data is being retrieved correctly.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on handling data type mismatches.
  Documentation: Refer to the SAP Gateway and OData documentation for best practices on defining data types and creating OData services.
  Debugging: If the issue persists, consider using debugging tools to trace the data flow and identify where the mismatch is occurring.
  
  By following these steps, you should be able to resolve the /IWBEP/SBDSP_DM031 error and ensure that your OData service functions correctly.