How To Fix /IWBEP/CM_V4_MED186 - More than one property in the entity type '&1' is flagged as etag

/IWBEP/CM_V4_MED186 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 186

• Message text: More than one property in the entity type '&1' is flagged as etag

Self-Explanatory Message

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/IWBEP/CM_V4_MED186 - Details

• The SAP error message /IWBEP/CM_V4_MED186 indicates that there is a problem with the entity type in your OData service definition. Specifically, it states that more than one property in the entity type is flagged as an ETag. An ETag (Entity Tag) is used for optimistic concurrency control in OData services, allowing clients to manage updates to resources without conflicts.
  
  Cause:
  The error occurs when:
  
  You have defined multiple properties in an entity type to be used as ETags. In OData, only one property can be designated as the ETag for an entity.
  This can happen due to incorrect configuration in the data model or service definition, where multiple properties are marked as ETag.
  
  
  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