How To Fix /IWBEP/SBDSP_DM034 - Key property &1 is not mapped in the Create operation

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/SBDSP_DM -

• Message number: 034

• Message text: Key property &1 is not mapped in the Create operation

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/SBDSP_DM034 - Key property &1 is not mapped in the Create operation ?

  The SAP error message /IWBEP/SBDSP_DM034 indicates that there is a problem with the mapping of key properties in a Create operation within an OData service. This typically occurs when the OData service is trying to create an entity, but one or more key properties that are required for the operation are not properly mapped in the service definition.
  Cause:
  
  Missing Key Property Mapping: The key property that is expected in the Create operation is not defined in the OData service's metadata or is not mapped correctly in the underlying data model.
  Incorrect Entity Type Definition: The entity type may not have the key properties defined correctly in the service definition.
  Service Implementation Issues: The implementation of the Create operation in the service might not be handling the key properties as expected.
  Data Model Changes: If there have been recent changes to the data model (like adding or removing key fields), the OData service may not have been updated accordingly.
  
  Solution:
  
  Check Entity Definition: Verify that the entity type in the OData service definition has the key properties defined correctly. You can do this by checking the service's metadata (usually accessible via the $metadata endpoint).
  Update Service Implementation: Ensure that the implementation of the Create operation in the service correctly handles the key properties. This may involve updating the code to include the necessary logic for handling these properties.
  Regenerate the Service: If there have been changes to the underlying data model, regenerate the OData service to ensure that it reflects the current state of the data model.
  Check Mapping in the Data Model: Ensure that the key properties are correctly mapped in the data model (e.g., in the ABAP Dictionary if you are using ABAP-based OData services).
  Test with Sample Data: Use sample data that includes all required key properties to test the Create operation and ensure that it works as expected.
  
  Related Information:
  
  OData Service Metadata: You can access the service metadata by appending $metadata to the service URL. This will provide you with the structure of the entities and their properties.
  SAP Gateway: If you are using SAP Gateway, you can check the service definition in the SAP Gateway Service Builder (transaction code SEGW).
  Debugging: If the issue persists, consider debugging the OData service to trace where the mapping is failing.
  SAP Notes: Check for any relevant SAP Notes that might address known issues related to this error message.
  
  By following these steps, you should be able to identify and resolve the issue causing the /IWBEP/SBDSP_DM034 error message.