debian-installer build error

["amol verule" <amol.debian@gmail.com>]

hi to all,
             i am compiling debian-installer for amd64.i am getting error as E: Couldn't find package acpi-modules-2.6.26-1-amd64-di make[7]: *** [stamps/get_udebs-cdrom_gtk-stamp] Error 100 make[6]: *** [_build] Error 2




[build]#cat sources.list.udeb 
# This file is automatically generated, edit sources.list.udeb.local instead.
#deb copy:/root/debian-installer/installer/build/ localudebs/
deb http://ftp.se.debian.org/debian sid main 
deb-src http://ftp.se.debian.org/debian sid main