Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2025-12-15T08:35:44","request-id":"c0368f26-34d3-46d4-a1c7-a062936b9448","client-request-id":"c0368f26-34d3-46d4-a1c7-a062936b9448"}}}"