How To Fix /IWBEP/CM_V4_MED073 - Target property '&1' in entity type '&2' not found for ref. constraint

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 073

• Message text: Target property '&1' in entity type '&2' not found for ref. constraint

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_MED073 - Target property '&1' in entity type '&2' not found for ref. constraint ?

  The SAP error message /IWBEP/CM_V4_MED073 indicates that there is an issue with a reference constraint in an OData service. Specifically, it means that the target property specified in the error message is not found in the entity type defined in your OData model. This typically occurs when there is a mismatch between the expected structure of the data and the actual data being processed.
  Cause:
  
  Missing Property: The target property (&1) that is being referenced in the entity type (&2) does not exist in the entity definition.
  Incorrect Mapping: There may be an issue with how the entity types are mapped in the OData service, leading to a reference to a non-existent property.
  Model Changes: If the underlying data model has changed (e.g., properties were removed or renamed), but the OData service has not been updated accordingly, this error can occur.
  Service Metadata: The service metadata might not be correctly reflecting the current state of the data model.
  
  Solution:
  
  Check Entity Definition: Verify that the entity type (&2) is correctly defined in your OData model and that it includes the target property (&1). If the property is missing, you may need to add it.
  Update OData Model: 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 model manually.
  Check Reference Constraints: Review the reference constraints defined in your OData model to ensure they are correctly set up and that they point to existing properties.
  Service Metadata: Check the service metadata (usually accessible via the $metadata endpoint) to confirm that the entity type and its properties are correctly defined.
  Debugging: Use debugging tools to trace the request and see where the reference is being made. This can help identify if the issue is with the request payload or the service definition.
  
  Related Information:
  
  OData Service Development: Familiarize yourself with the OData service development guidelines in SAP, including how to define entity types and properties.
  SAP Gateway: If you are using SAP Gateway, check the transaction codes like /IWFND/MAINT_SERVICE to manage your OData services and ensure they are properly activated.
  SAP Notes: Look for relevant SAP Notes that might 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 developers.
  
  By following these steps, you should be able to identify and resolve the issue causing the error message /IWBEP/CM_V4_MED073.