Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-07-05T14:02:52","request-id":"35252da5-6883-4e1c-84f3-a9761dd8c600","client-request-id":"35252da5-6883-4e1c-84f3-a9761dd8c600"}}}"