How To Fix /IWBEP/CM_CP052 - Invalid V2 EDM conversion: Navigation properties in structured type '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_CP -

• Message number: 052

• Message text: Invalid V2 EDM conversion: Navigation properties in structured type '&1'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_CP052 - Invalid V2 EDM conversion: Navigation properties in structured type '&1' ?

  The SAP error message /IWBEP/CM_CP052 Invalid V2 EDM conversion: Navigation properties in structured type '&1' typically occurs in the context of SAP Gateway and OData services. This error indicates that there is an issue with the Entity Data Model (EDM) conversion, specifically related to navigation properties in a structured type.
  Cause:
  
  
  Navigation Properties in Structured Types: The error suggests that the structured type defined in your OData service contains navigation properties. In OData, navigation properties are used to define relationships between entities, but they are not allowed in structured types. Structured types are meant to represent complex types without relationships.
  
  
  Incorrect Model Definition: The OData model may have been incorrectly defined, where a structured type is being used in a way that includes navigation properties.
  
  
  Version Compatibility: There may be compatibility issues between the version of the OData service and the underlying data model.
  
  
  Solution:
  
  
  Review the Data Model: Check the definition of the structured type in your OData service. Ensure that it does not include any navigation properties. If navigation properties are needed, consider using an entity type instead of a structured type.
  
  
  Modify the Service Definition: If you find that navigation properties are incorrectly defined in a structured type, you will need to modify the service definition to either remove those properties or change the type to an entity type.
  
  
  Regenerate the OData Service: After making changes to the data model, regenerate the OData service to ensure that the changes are reflected in the service metadata.
  
  
  Test the Service: After making the necessary adjustments, test the OData service to ensure that the error is resolved and that the service behaves as expected.
  
  
  Related Information:
  
  SAP Gateway: Familiarize yourself with the SAP Gateway framework, which is responsible for exposing SAP data as OData services.
  OData Protocol: Understanding the OData protocol and its conventions can help in designing the data model correctly.
  SAP Notes and Documentation: Check SAP Notes and official documentation for any updates or specific guidelines related to the error message.
  
  If the issue persists after following these steps, consider reaching out to SAP support or consulting the SAP community for further assistance.