btc list: error

(pytorrent_server:2.7)[djalmabr@h32 pytorrent_server]$ btc set host 177.85.98.245
(pytorrent_server:2.7)[djalmabr@h32 pytorrent_server]$ btc set port 8080
(pytorrent_server:2.7)[djalmabr@h32 pytorrent_server]$ btc list
btc list: error: connection failed, try to modify the settings file
note: settings file is: /home/djalmabr/.btc
note: current settings are:
host: 177.85.98.245
password: gauther780
port: 8080
username: admin