How To Fix /IWBEP/CM_V4_GWS032 - Select for property '&1' is not implemented

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_GWS -

• Message number: 032

• Message text: Select for property '&1' is not implemented

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_GWS032 - Select for property '&1' is not implemented ?

  The SAP error message /IWBEP/CM_V4_GWS032 typically indicates that a specific property in an OData service is being accessed, but the implementation for that property is not available. This can occur in various scenarios, particularly when working with SAP Gateway and OData services.
  Cause:
  
  Missing Implementation: The property referenced in the error message (&1) has not been implemented in the OData service. This could be due to a missing method in the service's data provider class.
  Service Configuration: The OData service may not be properly configured to expose the property.
  Model Definition: The property might not be defined in the data model or might be incorrectly defined.
  Versioning Issues: If there are multiple versions of the OData service, the property may exist in one version but not in another.
  
  Solution:
  
  
  Check Implementation: Verify that the property is implemented in the corresponding data provider class. You can do this by checking the method that handles the entity set for the OData service.
  
  Go to the transaction code SEGW (SAP Gateway Service Builder).
  Open the service and check the entity type and its properties.
  Ensure that the method for the property is implemented in the associated ABAP class.
  
  
  
  Update Service: If the property is not implemented, you may need to implement it. This involves:
  
  Adding the necessary logic in the data provider class (e.g., GET_ENTITY, GET_ENTITYSET methods).
  Regenerating the service after making changes.
  
  
  
  Check Service Metadata: Use the OData service's metadata URL (e.g., /sap/opu/odata/sap/<service_name>/$metadata) to check if the property is defined in the service's metadata. If it is missing, you may need to redefine the model.
  
  
  Service Activation: Ensure that the OData service is activated in the SAP Gateway. You can do this using transaction code /IWFND/MAINT_SERVICE.
  
  
  Testing: After making changes, test the OData service again to see if the error persists.
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SEGW: SAP Gateway Service Builder
  /IWFND/MAINT_SERVICE: Manage OData Services
  SE80: Object Navigator (for checking the implementation)
  
  
  
  Documentation: Refer to SAP Help documentation for OData services and SAP Gateway for detailed guidance on implementing and troubleshooting OData services.
  
  
  Debugging: If the issue persists, consider debugging the OData service to trace where the error occurs and gather more context about the missing implementation.
  
  
  By following these steps, you should be able to identify the cause of the error and implement a solution.