I need help, ZimbraOffline ant build problem

[alpines]

C:\opt\public-src\main\main\ZimbraOffline>ant offline-reset-the-world
Buildfile: C:\opt\public-src\main\main\ZimbraOffline\build.xml

offline-reset-the-world:

offline-reset-the-world-part-1:

offline-make-dist:

offline-clean:

BUILD FAILED
C:\opt\public-src\main\main\ZimbraOffline\build.xml:679: The following error occ
urred while executing this line:
C:\opt\public-src\main\main\ZimbraOffline\build.xml:648: The following error occ
urred while executing this line:
C:\opt\public-src\main\main\ZimbraOffline\build.xml:694: The following error occ
urred while executing this line:
C:\opt\public-src\main\main\ZimbraOffline\build.xml:218: Basedir C:\opt\public-s
rc\main\main\ZimbraSyncCommon does not exist

Total time: 3 seconds
C:\opt\public-src\main\main\ZimbraOffline>

I want to build ZimbraOffline, but this error occurs every GNRXX the source code.
And my p4gui doesn't show ZimbraSyncCommon directory, so i need your help, please.

[alpines]

-self-
I success build the ZimbraDesktop with commenting build.xml
directory about ZimbraSyncCommon, and ZimbraDesktop/dist/ext

but it's weird, nobody comment about this missing directories..
where can i get this directory?? i can't see in the p4(public-view).
please reply..