How To Fix /IWBEP/GWS008 - OrderBy not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/GWS -

• Message number: 008

• Message text: OrderBy not supported

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/GWS008 - OrderBy not supported ?

  The SAP error message /IWBEP/GWS008 OrderBy not supported typically occurs in the context of OData services when a client attempts to use the $orderby query option in a request, but the underlying data model or service implementation does not support ordering for the specified entity or property.
  Cause:
  
  
  Unsupported Property: The property specified in the $orderby clause may not be supported for ordering in the OData service. This can happen if the property is not part of the entity's key or if it is not defined as sortable in the service metadata.
  
  
  Service Implementation: The OData service may not have implemented the necessary logic to handle ordering for the requested entity or property.
  
  
  Data Model Limitations: The underlying data model may not support ordering due to the nature of the data (e.g., complex types, associations).
  
  
  Solution:
  
  
  Check Metadata: Review the OData service metadata (usually accessible via the $metadata endpoint) to confirm which properties are available for ordering. Ensure that the property you are trying to order by is listed and is marked as sortable.
  
  
  Modify the Query: If the property is not supported for ordering, consider removing the $orderby clause from your request or using a different property that is supported.
  
  
  Service Implementation: If you are the developer of the OData service, you may need to implement support for ordering in your service. This could involve modifying the service logic to handle the $orderby parameter appropriately.
  
  
  Consult Documentation: Check the SAP documentation or the specific OData service documentation for any notes on limitations regarding ordering.
  
  
  Update Service: If the service is outdated or not functioning as expected, consider updating the service or checking for any patches or updates that may address this issue.
  
  
  Related Information:
  
  OData Specification: Familiarize yourself with the OData protocol and its specifications regarding query options, including $orderby.
  SAP Gateway: If you are using SAP Gateway, review the configuration and implementation of your OData service in the SAP Gateway Service Builder (transaction code SEGW).
  Debugging: Use transaction codes like /IWFND/ERROR_LOG to check for additional error details or logs that may provide more context on the issue.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.