when i try to register

Yappari 2.0.1 Build 5201
Yappari console debug start
Reading roster DB...
Roster retrieved in 150 milliseconds.
Resetting timestamps at 1422162759920
Next run in 47840080
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
Registration started
Country code: IN
reg/req/exists/start
Request: https://v.whatsapp.net/v2/exist?cc=9...3c731df158c1de
HttpRequest(): Connecting to v.whatsapp.net:443
HttpRequest(): Sending request...
HttpRequest(): Waiting for response...
HttpRequest(): Got response
HTTP/1.1 200 OK
Connection: close
Server: Yaws 1.94
Date: Sun, 25 Jan 2015 05:12:59 GMT
Content-Length: 71
Content-Type: text/json ; charset=utf-8

HttpRequest(): All headers read. Available: 71
Reply: {"status":"fail","reason":"incorrect","sms_length" :6,"voice_length":6}

reg/req/exists/fail
User 919168432023 is not registered.
reg/req/sms/start
Request: https://v.whatsapp.net/v2/code?cc=91...3c731df158c1de
HttpRequest(): Connecting to v.whatsapp.net:443
HttpRequest(): Sending request...
HttpRequest(): Waiting for response...
HttpRequest(): Got response
HTTP/1.1 200 OK
Connection: close
Server: Yaws 1.94
Date: Sun, 25 Jan 2015 05:13:03 GMT
Content-Length: 39
Content-Type: text/json ; charset=utf-8

HttpRequest(): All headers read. Available: 39
Reply: {"status":"fail","reason":"bad_token"}

reg/req/sms/fail