aSmack 0.9.0alpha5 Login Problem

Hi all.i update my aSmack api.XMPPConnection class rename TCPConnection.i try connect existing server but login problem.Exception ; SASL authentication failed.

ConnectionConfiguration config = new ConnectionConfiguration(HOST,                                                  Integer.valueOf(PORT)); // xmpp bağlantısı      tcpConnection = new TCPConnection(config); // xmpp bağlantısı        // try login background thread      LoginServerAsyncTask loginTask = new LoginServerAsyncTask();      loginTask.execute(ustBirim.getText().toString() + "#"+ userName.getText().toString(), passWord.getText().toString(), "Atomic3.1"); 

Please help me.