Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-03-03T17:06:14","request-id":"e64b3d56-1971-4e41-90b6-c641c9d7f06c","client-request-id":"e64b3d56-1971-4e41-90b6-c641c9d7f06c"}}}"