How To Fix /IWBEP/CM_V4_MED202 - An etag property is currently only allowed on entity types

/IWBEP/CM_V4_MED202 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 202

• Message text: An etag property is currently only allowed on entity types

Self-Explanatory Message

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/IWBEP/CM_V4_MED202 - Details

• The SAP error message /IWBEP/CM_V4_MED202 indicates that there is an issue with the use of the ETag property in your OData service. Specifically, the error states that the ETag property is only allowed on entity types, and it seems that it has been incorrectly applied to a non-entity type, such as a complex type or a function import.
  
  Cause:
  
  Incorrect ETag Usage: The ETag property is meant to be used with entity types to manage concurrency and caching. If you attempt to apply it to a complex type or a function import, this error will occur.
  Model Definition Issues: There may be a misconfiguration in your OData model where the ETag is defined inappropriately.
  Service Implementation: The service implementation might be trying to return an ETag for a non-entity type.
  
  
  Solution:
  
  
  Review the OData Model: Check your OData model definition to ensure that the ETag property is only defined for entity types. Remove any ETag definitions