Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-01-17T21:23:17","request-id":"339e02fb-21f0-423a-92b9-1bede928e3f0","client-request-id":"339e02fb-21f0-423a-92b9-1bede928e3f0"}}}"