How To Fix /IWFND/MED_CHECK049 - EXTERNAL_NAME of '&1' is not specified

/IWFND/MED_CHECK049 - Overview

• Message type: E = Error

• Message class: /IWFND/MED_CHECK -

• Message number: 049

• Message text: EXTERNAL_NAME of '&1' is not specified

Self-Explanatory Message

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/IWFND/MED_CHECK049 - Details

• The SAP error message /IWFND/MED_CHECK049 EXTERNAL_NAME of '&1' is not specified typically occurs in the context of SAP Gateway services, particularly when there is an issue with the metadata of an OData service. This error indicates that the external name for a specific entity or property is not defined in the service's metadata.
  
  Cause:
  
  Missing External Name: The external name for an entity or property in the OData service is not specified in the service definition.
  Service Definition Issues: There may be issues in the service definition or the associated data model that prevent the external name from being recognized.
  Model Annotations: If the OData service is using annotations, the external name might not be properly defined in the annotations.
  Transport Issues: If the service was transported from one system to another, some definitions might not have been included.
  
  
  Solution:
  
  
  Check Service Metadata: 
  
  Go to the SAP Gateway Service Builder (transaction code SEGW).
  Open the relevant project and