Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2025-12-25T06:22:40","request-id":"16ad55fa-a4e7-4ce8-a20a-3d3abee9c9a3","client-request-id":"16ad55fa-a4e7-4ce8-a20a-3d3abee9c9a3"}}}"