How To Fix /IWBEP/CM_V4_MED188 - Entity type '&1' already has etag property '&2'

/IWBEP/CM_V4_MED188 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 188

• Message text: Entity type '&1' already has etag property '&2'

Self-Explanatory Message

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/IWBEP/CM_V4_MED188 - Details

• The SAP error message /IWBEP/CM_V4_MED188 indicates that there is an issue with the entity type in your OData service. Specifically, it states that the entity type &1 already has an ETag property &2. This typically occurs when you are trying to define an ETag property for an entity type that already has one defined.
  
  Cause:
  
  Duplicate ETag Definition: The entity type in your OData model is being defined with an ETag property that already exists. This can happen if you have multiple definitions or annotations for the same entity type.
  Model 
  Configuration Issues: There may be inconsistencies in the way the OData model is configured, leading to the same entity type being defined multiple times with ETag properties.
  Code Generation Issues: If you are using code generation tools or frameworks, they might be generating the same ETag property for the entity type multiple times.
  
  
  Solution:
  
  Check Entity Type Definition: Review the definition of the entity type