How To Fix /IWBEP/CM_V4_GWS020 - Filtering by Name or Description is not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_GWS -

• Message number: 020

• Message text: Filtering by Name or Description is not supported

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_GWS020 - Filtering by Name or Description is not supported ?

  The SAP error message /IWBEP/CM_V4_GWS020 Filtering by Name or Description is not supported typically occurs in the context of OData services when you are trying to filter data using properties that are not supported for filtering in the specific OData service you are working with.
  Cause:
  
  Unsupported Properties: The properties "Name" or "Description" are not defined as filterable in the OData service metadata. This means that the service does not allow filtering on these fields.
  Service Configuration: The OData service may not have been configured to support filtering on certain fields, either due to design choices or limitations in the underlying data model.
  Version Limitations: Depending on the version of the SAP system or the OData service, certain features may not be available.
  
  Solution:
  
  Check Metadata: Review the OData service metadata (usually accessible via the $metadata endpoint) to see which properties are marked as filterable. Look for the Filterable attribute in the metadata for the entity type you are querying.
  Modify Query: If filtering by "Name" or "Description" is not supported, consider modifying your query to use other filterable properties that are available in the metadata.
  Service Enhancement: If you have control over the OData service, you may consider enhancing the service to allow filtering on these fields. This would involve modifying the service implementation to include these properties in the filterable set.
  Consult Documentation: Refer to the SAP documentation for the specific OData service you are using to understand its capabilities and limitations regarding filtering.
  Contact Support: If you believe that filtering should be supported based on your requirements, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  OData Protocol: Understanding the OData protocol and how it handles filtering can provide insights into why certain properties may not be filterable.
  SAP Gateway: Familiarize yourself with SAP Gateway and how it manages OData services, as this can help in troubleshooting and enhancing services.
  SAP Community: Engaging with the SAP Community forums can provide additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to address the error and find a suitable workaround or solution.