Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-11-10T04:50:28","request-id":"751b6be4-a098-41af-9fae-f246239d9f0d","client-request-id":"751b6be4-a098-41af-9fae-f246239d9f0d"}}}"