How To Fix /IWBEP/CM_V4_RUNTIME036 - Expand for navigation '&1': $$select has not been processed

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_RUNTIME -

• Message number: 036

• Message text: Expand for navigation '&1': $$select has not been processed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_RUNTIME036 - Expand for navigation '&1': $$select has not been processed ?

  The SAP error message /IWBEP/CM_V4_RUNTIME036 typically occurs in the context of OData services when there is an issue with the $select query option in an OData request. This error indicates that the system was unable to process the $select statement for the navigation property specified in the request.
  Cause:
  
  Invalid Navigation Property: The navigation property specified in the $select clause may not exist or may not be correctly defined in the OData service.
  Incorrect Query Structure: The structure of the OData query may be incorrect, leading to the inability to process the $select option.
  Service Metadata Issues: There may be issues with the service metadata, such as missing or incorrectly defined entity types or navigation properties.
  Authorization Issues: The user may not have the necessary authorizations to access the specified navigation property.
  Data Model Changes: Changes in the underlying data model that are not reflected in the OData service can lead to this error.
  
  Solution:
  
  Check Navigation Property: Verify that the navigation property specified in the $select clause exists in the OData service metadata. You can do this by accessing the service's metadata document (usually available at the URL .../$metadata).
  Review OData Query: Ensure that the OData query is correctly structured. Check for syntax errors or incorrect property names.
  Update Service Metadata: If there have been changes to the underlying data model, ensure that the OData service is updated to reflect these changes. This may involve regenerating the service or updating the data model in the backend.
  Check Authorizations: Ensure that the user making the request has the necessary authorizations to access the navigation property.
  Debugging: If the issue persists, consider enabling debugging for the OData service to get more detailed error messages or logs that can help identify the root cause.
  
  Related Information:
  
  OData Documentation: Familiarize yourself with the OData protocol and its query options, including $select, $expand, and navigation properties.
  SAP Gateway: If you are using SAP Gateway, check the configuration and implementation of the OData service in the SAP Gateway system.
  SAP Notes: Search for relevant SAP Notes that may address known issues or provide additional guidance on this error message.
  Community Forums: Consider checking SAP Community forums or other developer forums for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to diagnose and resolve the error message /IWBEP/CM_V4_RUNTIME036.