How To Fix /IWBEP/CM_V4_MED211 - Entity set: EDM name '&1' already used in singleton

/IWBEP/CM_V4_MED211 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 211

• Message text: Entity set: EDM name '&1' already used in singleton

Self-Explanatory Message

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/IWBEP/CM_V4_MED211 - Details

• The SAP error message /IWBEP/CM_V4_MED211 indicates that there is an issue with the Entity Data Model (EDM) in your OData service. Specifically, the message states that the entity set with the name specified (represented by &1) is already being used in a singleton context. This typically occurs when there is a conflict in the definition of entity sets and singletons in your OData service.
  
  Cause:
  
  Duplicate Entity Set Definition: The error usually arises when an entity set is defined more than once in the OData service, or when an entity set is incorrectly defined as a singleton.
  Incorrect Metadata Configuration: The metadata configuration might have inconsistencies, leading to the same entity set being referenced in multiple places.
  Service Implementation Issues: There may be issues in the implementation of the OData service, such as incorrect annotations or definitions in the service's data model.
  
  
  Solution:
  
  Check Entity Set Definitions: Review the definitions of your entity sets in the