How To Fix /IWBEP/CM_V4_MED113 - NavProp bndng (EntySet '&1'): Complex prop '&2' not in complex type '&3'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 113

• Message text: NavProp bndng (EntySet '&1'): Complex prop '&2' not in complex type '&3'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_MED113 - NavProp bndng (EntySet '&1'): Complex prop '&2' not in complex type '&3' ?

  The SAP error message /IWBEP/CM_V4_MED113 typically occurs in the context of OData services when there is an issue with the binding of navigation properties in the entity set. This error indicates that a complex property is being referenced, but it is not defined in the expected complex type.
  Cause:
  
  Incorrect Mapping: The complex property (&2) is not defined in the complex type (&3) that is expected for the entity set (&1). This can happen if there is a mismatch in the metadata definition of the OData service.
  Model Changes: If there have been recent changes to the data model (e.g., adding or removing properties), the OData service may not have been updated accordingly.
  Service Metadata: The service metadata might not be correctly reflecting the underlying data model, leading to discrepancies between the expected and actual structure.
  
  Solution:
  
  Check Metadata: Review the OData service metadata (usually accessible via the $metadata endpoint) to ensure that the complex property is correctly defined in the complex type.
  Update Service: If there have been changes to the underlying data model, ensure that the OData service is regenerated or updated to reflect these changes. This may involve:
  
  Regenerating the service in the SAP Gateway.
  Activating the service in the SAP Gateway.
  
  
  Correct the Model: If the complex property is indeed missing from the complex type, you may need to add it to the data model or adjust the OData service definition to align with the current data model.
  Check Annotations: Ensure that any annotations related to the complex properties are correctly defined in the service implementation.
  
  Related Information:
  
  OData Services: Understanding how OData services work in SAP, including the structure of entity types, complex types, and navigation properties, is crucial for troubleshooting these types of errors.
  SAP Gateway: Familiarize yourself with the SAP Gateway framework, as it is responsible for exposing OData services and managing their lifecycle.
  Debugging Tools: Use transaction codes like /IWFND/ERROR_LOG to check for additional error details and logs that can provide more context on the issue.
  Documentation: Refer to SAP documentation on OData service development and troubleshooting for more detailed guidance.
  
  By following these steps, you should be able to identify and resolve the issue causing the error message.