How To Fix /IWBEP/CM_MGW_RT215 - Entity Set '&1' has no media type. It cannot support a 'Context Token'

/IWBEP/CM_MGW_RT215 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_RT -

• Message number: 215

• Message text: Entity Set '&1' has no media type. It cannot support a 'Context Token'

Self-Explanatory Message

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/IWBEP/CM_MGW_RT215 - Details

• The SAP error message /IWBEP/CM_MGW_RT215 indicates that there is an issue with an entity set in your OData service. Specifically, the error states that the entity set &1 does not have a media type defined, which prevents it from supporting a 'Context Token'. This typically occurs in the context of OData services when the service is trying to handle requests that involve media types or binary data.
  
  Cause:
  
  Missing Media Type Definition: The entity set in question does not have a media type defined in the service metadata. This can happen if the entity set is not configured to handle binary data or if the service is not properly set up to support media types.
  Incorrect Configuration: The OData service might not be configured correctly to handle the specific entity set, leading to the inability to process requests that require a context token.
  Service Implementation Issues: There may be issues in the implementation of