How To Fix /IWBEP/CM_V4_MED246 - Return of action '&1' not entity type based

/IWBEP/CM_V4_MED246 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 246

• Message text: Return of action '&1' not entity type based

Self-Explanatory Message

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/IWBEP/CM_V4_MED246 - Details

• The SAP error message /IWBEP/CM_V4_MED246 typically indicates that there is an issue with the return type of an action in an OData service. Specifically, the message states that the return of the action is not based on an entity type, which is a requirement for certain actions in OData services.
  
  Cause:
  
  Action Return Type: The action defined in your OData service is expected to return an entity type, but it is currently returning a non-entity type (like a primitive type or a complex type).
  Service Definition: The service definition in the metadata might not be correctly configured to specify the return type of the action.
  Implementation Issues: The implementation of the action in the backend might not be aligned with the expected return type defined in the service.
  
  
  Solution:
  
  
  Check Action Definition: Review the action definition in your OData service. Ensure that the return type is set to an entity type. You can do this in