Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-04-20T14:38:52","request-id":"5afb17b2-4977-4f09-92b2-52a26ca2d604","client-request-id":"5afb17b2-4977-4f09-92b2-52a26ca2d604"}}}"