How To Fix SADL_RAP_OPXY_EDMX059 - Entity Set &1 : Navigation property (&2) has no target entity set

SAP Error Message - Details

• Message type: E = Error

• Message class: SADL_RAP_OPXY_EDMX - RESTful ABAP Odata Proxy Support

• Message number: 059

• Message text: Entity Set &1 : Navigation property (&2) has no target entity set

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SADL_RAP_OPXY_EDMX059 - Entity Set &1 : Navigation property (&2) has no target entity set ?

  The SAP error message SADL_RAP_OPXY_EDMX059 indicates that there is an issue with the navigation property in the context of the RAP (Rapid Application Programming) model. Specifically, it states that the entity set referenced in the navigation property does not have a corresponding target entity set defined in the OData service.
  Cause:
  This error typically arises due to one of the following reasons:
  
  
  Missing Target Entity Set: The navigation property defined in your entity does not point to a valid target entity set. This could happen if the target entity is not defined in the data model or if there is a typo in the navigation property definition.
  
  
  Incorrect Configuration: The configuration of the RAP model might be incorrect, leading to a mismatch between the navigation property and the actual entity sets.
  
  
  Model Changes: If there have been recent changes to the data model (like renaming or deleting entities), the navigation properties may not have been updated accordingly.
  
  
  Service Definition Issues: The OData service definition might not include the necessary entity sets or navigation properties.
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Entity Definitions: Verify that the entity set referenced in the navigation property is correctly defined in your data model. Ensure that the target entity exists and is properly configured.
  
  
  Review Navigation Properties: Look at the navigation properties in your entity definitions. Ensure that they correctly reference existing entity sets and that there are no typos or mismatches.
  
  
  Update Service Definition: If you have made changes to the data model, ensure that the OData service definition is updated accordingly. Regenerate the service if necessary.
  
  
  Check Annotations: Ensure that the necessary annotations for navigation properties are correctly defined in the CDS (Core Data Services) views.
  
  
  Test the Service: After making the necessary changes, test the OData service to ensure that the navigation properties are functioning as expected.
  
  
  Consult Documentation: If the issue persists, refer to SAP documentation or community forums for additional guidance on the specific error message and context.
  
  
  Related Information:
  
  RAP Model: The RAP model is a framework for building enterprise applications in SAP, focusing on the use of CDS views and OData services.
  OData Services: Understanding how OData services work in SAP can help in troubleshooting issues related to entity sets and navigation properties.
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional insights into this error message.
  
  By following these steps, you should be able to identify and resolve the issue causing the SADL_RAP_OPXY_EDMX059 error message.