Applicant name not showing :( help

[Happy Virk 0]

I Have Filled out DS 260 with my family in spetember 2014 and show completed, AOS, Iv Fee Paid, AOS Packet and Civil Documents Sent on 24 Oct 2014
my grandmother filled our petition in march 2004 my date of birth is 29-07-1991
now my name is not showing from 19 Dec 2014 in DS 260 and IV fee Page only my father,mother and sister's name showing
our case approved in 23 Nov 2009
anybody know why my name is not showing.?

[dnp2014 44]

You probably aged out.. use CSPA calculator to find out

[Happy Virk 0]

Date Of Birth :- 29-july-1991

Priority ate :- 29-march-2004

Approval Date :- 23-november-2009

Visa Bulletin Current ate :- 15-december-2003

petition pening duration :- 5 years 7 months 26 days

visa availability date :- 23-november-2009

actual age when visa become available :- 18 years 15 months 26 days

cspa age :- 12 years 8 months

here are the results of cspa calculater

[Happy Virk 0]

You probably aged out.. use CSPA calculator to find out