i'm having some problem, i had registed b4 nd it asked again to register but when i try it never get registeded

Yappari 2.0.1 Build 5201
Yappari console debug start
Reading roster DB...
Roster retrieved in 369 milliseconds.
Resetting timestamps at 1422162575235
Next run in 48024765
Reading open chats DB...
Open Chats retrieved in 3 milliseconds.
Entry retrieved: 919168432023-1421130290@g.us
Entry retrieved: 919768184717@s.whatsapp.net
Network connection changed: Online
Current active connection: Aircel Online
Connecting to c.whatsapp.net:443...
Connected successfully
OUTGOING:
<stream:features>
<groups_v2>
<presence>
<privacy>
<readreceipts>

OUTGOING:
<auth>
mechanism=WAUTH-2
passive=false
user=919168432023

INCOMING:
<stream:features>

INCOMING:
<challenge>
Content of type challenge length: 20

Challenge: (20) edc293194128ef926396eb16fc48c583620c6d63
OUTGOING:
<response>
Content of type response length: 46

INCOMING:
<failure>
<not-authorized>

Login failed
connected(): There was a Login Exception: Login failed
Connection closed.
Stopping timers.
Freeing up the connection.
Freeing up the socket.
Registration started
Country code: IN