Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2025-12-26T09:52:15","request-id":"19f91523-2757-4b97-9541-6e0e38aaa75f","client-request-id":"19f91523-2757-4b97-9541-6e0e38aaa75f"}}}"