How To Fix /IWBEP/SBOD106 - Entity Type '&1&2&3' must define at least one key property

/IWBEP/SBOD106 - Overview

• Message type: E = Error

• Message class: /IWBEP/SBOD -

• Message number: 106

• Message text: Entity Type '&1&2&3' must define at least one key property

Self-Explanatory Message

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/IWBEP/SBOD106 - Details

• The SAP error message /IWBEP/SBOD106 indicates that an entity type in your OData service definition does not have a key property defined. In OData, every entity type must have a key property that uniquely identifies each instance of that entity. This is essential for the proper functioning of the OData service, as it allows clients to reference specific entities.
  
  Cause:
  The error occurs when:
  
  An entity type is defined without any key properties.
  The key properties are not correctly specified in the metadata of the OData service.
  There may be a misconfiguration in the data model or the service definition.
  
  
  Solution:
  To resolve this error, you need to ensure that the entity type in question has at least one key property defined. Here are the steps to do this:
  
  
  Check the Entity Type Definition:
  
  Go to the relevant data model or service definition in your SAP system.
  Locate the entity type that is causing the error.
  
  
  
  Define Key Properties:
  
  Ensure that at