How To Fix /IWBEP/CM_MGW_RT139 - No entity type found for entity set '&1'

/IWBEP/CM_MGW_RT139 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_RT -

• Message number: 139

• Message text: No entity type found for entity set '&1'

Self-Explanatory Message

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/IWBEP/CM_MGW_RT139 - Details

• The SAP error message /IWBEP/CM_MGW_RT139 No entity type found for entity set '&1' typically occurs in the context of SAP Gateway services, particularly when working with OData services. This error indicates that the system cannot find the specified entity type for the given entity set in the OData service.
  Causes:
  
  Incorrect Entity Set Name: The entity set name specified in the OData request does not match any defined entity sets in the service.
  Service Registration Issues: The OData service may not be properly registered or activated in the SAP Gateway.
  Model Definition Issues: The entity type may not be defined in the data model or may not be correctly associated with the entity set.
  Namespace Issues: There may be a mismatch in the namespace used in the OData service definition and the one used in the request.
  Authorization Issues: The user may not have the necessary authorizations to access the entity set.
  
  Solutions:
  
  Check Entity Set Name: Verify