How To Fix /IWBEP/CM_V4_GWS016 - Filter for property '&1' is not implemented

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_GWS -

• Message number: 016

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

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_GWS016 - Filter for property '&1' is not implemented ?

  The SAP error message /IWBEP/CM_V4_GWS016 Filter for property '&1' is not implemented typically occurs in the context of OData services when a filter is applied to a property that is not supported or implemented in the OData service. This can happen for various reasons, including:
  Causes:
  
  Unsupported Property: The property you are trying to filter on may not be defined in the OData service or is not exposed for filtering.
  Service Implementation: The OData service may not have implemented the necessary logic to handle filtering for that specific property.
  Data Model Changes: If there have been recent changes to the data model or the OData service, the property might have been removed or altered.
  Versioning Issues: The OData service version might not support filtering on certain properties.
  
  Solutions:
  
  
  Check OData Service Metadata: Review the metadata of the OData service to confirm whether the property you are trying to filter on is available and supports filtering. You can access the metadata by appending $metadata to the service URL.
  
  
  Modify the Filter: If the property is not supported for filtering, consider modifying your query to filter on a different property that is supported.
  
  
  Update OData Service: If you have control over the OData service implementation, you may need to implement the filtering logic for the property in question. This may involve updating the service code to handle the filter appropriately.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific OData service you are using to understand the supported properties and filtering capabilities.
  
  
  Check for Notes and Patches: Sometimes, SAP releases notes or patches that address specific issues with OData services. Check the SAP Support Portal for any relevant notes.
  
  
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a production issue.
  
  
  Related Information:
  
  OData Version: Ensure you are aware of the OData version being used, as different versions may have different capabilities.
  SAP Gateway: If you are using SAP Gateway, familiarize yourself with the capabilities and limitations of the Gateway framework.
  Debugging: Use transaction codes like /IWFND/ERROR_LOG to check for additional error details 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.