How To Fix /IWBEP/SBDSP_DM027 - Key property &1 does not have an Input mapping in the Read operation

/IWBEP/SBDSP_DM027 - Overview

• Message type: E = Error

• Message class: /IWBEP/SBDSP_DM -

• Message number: 027

• Message text: Key property &1 does not have an Input mapping in the Read operation

Self-Explanatory Message

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/IWBEP/SBDSP_DM027 - Details

• The SAP error message /IWBEP/SBDSP_DM027 indicates that there is a problem with the input mapping for a key property in a Read operation of an OData service. This typically occurs when the OData service is trying to read an entity, but the key property specified in the request does not have a corresponding input mapping defined in the service implementation.
  
  Cause:
  
  Missing Input Mapping: The key property specified in the OData request does not have an input mapping defined in the service implementation. This means that the system does not know how to map the incoming request data to the corresponding entity key.
  Incorrect Configuration: The OData service might not be correctly configured to handle the key property, or the key property might not be defined in the data model.
  Changes in Data Model: If there have been recent changes to the data model (e.g., adding or removing properties), the OData service may not