Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-10-06T05:29:51","request-id":"b46b8d93-be36-446d-935e-2c98c6e158a2","client-request-id":"b46b8d93-be36-446d-935e-2c98c6e158a2"}}}"