How To Fix /IWFND/CM_MGW_RT100 - Property (external name) '&1' not found for entity '&2'

/IWFND/CM_MGW_RT100 - Overview

• Message type: E = Error

• Message class: /IWFND/CM_MGW_RT -

• Message number: 100

• Message text: Property (external name) '&1' not found for entity '&2'

Self-Explanatory Message

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/IWFND/CM_MGW_RT100 - Details

• The SAP error message /IWFND/CM_MGW_RT100 Property (external name) '&1' not found for entity '&2' typically occurs in the context of SAP Gateway services, particularly when working with OData services. This error indicates that the specified property (external name) cannot be found for the given entity type in the OData model.
  Causes:
  
  Missing Property in the Entity: The property specified in the error message does not exist in the entity type defined in the OData model.
  Incorrect Mapping: There may be a mismatch between the property names in the backend data model and the OData service definition.
  Service Metadata Issues: The OData service metadata might not be correctly generated or updated, leading to discrepancies.
  Changes in Data Model: If there have been recent changes to the underlying data model (e.g., adding or renaming properties), the OData service may not reflect these changes.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access certain properties,