How To Fix /IWBEP/CM_V4_MED244 - Parameter '&1' on action '&2' is not entity type based

/IWBEP/CM_V4_MED244 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 244

• Message text: Parameter '&1' on action '&2' is not entity type based

Self-Explanatory Message

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/IWBEP/CM_V4_MED244 - Details

• The SAP error message /IWBEP/CM_V4_MED244 typically occurs in the context of OData services when there is an issue with the parameters being passed to an action in the service. The message indicates that a parameter (denoted as &1) for a specific action (denoted as &2) is not based on an entity type. This can happen for several reasons, and understanding the cause is crucial for resolving the issue.
  Cause
  
  
  Incorrect Parameter Type: The parameter being passed to the action is not defined as an entity type in the OData service metadata. This could happen if the parameter is expected to be an entity but is defined as a primitive type or complex type instead.
  
  
  Service Definition Issues: There may be a mismatch between the service definition and the actual implementation. If the OData service is not correctly defined in the service metadata, it can lead to this error.
  
  
  Incorrect Action Call: The action being