How To Fix /IWBEP/SBOD112 - Entity Type '&1&2&3' defines more than one etag property

/IWBEP/SBOD112 - Overview

• Message type: E = Error

• Message class: /IWBEP/SBOD -

• Message number: 112

• Message text: Entity Type '&1&2&3' defines more than one etag property

Self-Explanatory Message

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/IWBEP/SBOD112 - Details

• The SAP error message /IWBEP/SBOD112 indicates that there is an issue with the definition of an entity type in your OData service. Specifically, it means that the entity type defined in your service has more than one property marked as an ETag. ETags are used for concurrency control in OData services, allowing clients to manage updates to resources effectively.
  
  Cause:
  The error occurs when:
  
  An entity type in your OData model has multiple properties defined with the @odata.etag annotation.
  The OData service expects only one property to be designated as the ETag for each entity type.
  
  
  Solution:
  To resolve this error, you need to ensure that only one property in the entity type is marked as an ETag. Here are the steps to do this:
  
  
  Identify the Entity Type: Check the entity type mentioned in the error message (replace &1&2&3 with the actual entity type name).
  
  
  Review the Annotations: Look at the definition of the entity type in