Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-11-07T02:46:56","request-id":"34022980-8c17-45d9-b7a9-0eb8ffcc05a1","client-request-id":"34022980-8c17-45d9-b7a9-0eb8ffcc05a1"}}}"