Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2025-12-13T06:00:26","request-id":"d629d7d6-43d1-4f47-bc49-3b9d8a971c6d","client-request-id":"d629d7d6-43d1-4f47-bc49-3b9d8a971c6d"}}}"