IP Ban: Someone from that IP was Banned or you are using IP that is Blacklisted by Bitcointalk.org Server.
You Need to pay a dust of bitcoins to get enable to your account , i guess the fine is not more than few days faucet earning.
If your account is at-least Jr.Member i consider , you should Pay the Fine , else just head away and change your IP and make a new Fresh account.
It's a brand new account if he didn't pay the fee. It's impossible the new created account to be Jr. Member. This restriction message comes to you when you first sign-up with an IP that has evil points already.