Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-10-14T11:14:44","request-id":"369d6c81-fd35-4bd3-ace5-c46082411136","client-request-id":"369d6c81-fd35-4bd3-ace5-c46082411136"}}}"