error while making customizing shows error at cannot find mkbootmsg

mkbootmsg Command not found
i am giving you the log file
Ubuntu Customization Kit 2.2.1
Starting CD remastering on Sun Nov 14 21:50:16 IST 2010
Customization dir=/home/praveen/tmp/customization-scripts
Mounting ISO image...
Unpacking ISO image...
Unmounting ISO image...
Mounting SquashFS image...
Unpacking SquashFS image...
Unmounting SquashFS image...
umount: /home/praveen/tmp/squashfs-mount: device is busy.
        (In some cases useful info about processes that use
         the device is found by lsof(8) or fuser(1))
Failed to unmount /home/praveen/tmp/squashfs-mount, error=1
rmdir: failed to remove `/home/praveen/tmp/squashfs-mount': Device or resource busy
Failed to remove directory /home/praveen/tmp/squashfs-mount, error=1
Unmounting /home/praveen/tmp/squashfs-mount...
Creating apt cache...
Creating root home...
Mounting /proc
Mounting /sys
Mounting /dev/pts
Mounting /var/run
Mounting /tmp
Mounting /home/praveen/tmp/remaster-root-home
Mounting /home/praveen/tmp/remaster-apt-cache
Mounting /home/praveen/tmp/customization-scripts
Copying resolv.conf...
Creating DBUS uuid...
Get:1 http://security.ubuntu.com maverick-security Release.gpg [198B]
Ign http://security.ubuntu.com/ubuntu/ maverick-security/main Translation-en
Get:2 http://archive.ubuntu.com maverick Release.gpg [198B]
Ign http://archive.ubuntu.com/ubuntu/ maverick/main Translation-en
Ign http://archive.ubuntu.com/ubuntu/ maverick/restricted Translation-en
Ign http://security.ubuntu.com/ubuntu/ maverick-security/restricted Translation-en
Get:3 http://security.ubuntu.com maverick-security Release [27.2kB]
Get:4 http://archive.ubuntu.com maverick-updates Release.gpg [198B]
Ign http://archive.ubuntu.com/ubuntu/ maverick-updates/main Translation-en
Ign http://archive.ubuntu.com/ubuntu/ maverick-updates/restricted Translation-en
Get:5 http://archive.ubuntu.com maverick Release [39.8kB]
Get:6 http://archive.ubuntu.com maverick-updates Release [31.4kB]
Get:7 http://security.ubuntu.com maverick-security/main Sources [12.7kB]
Get:8 http://archive.ubuntu.com maverick/main Sources [829kB]
Get:9 http://security.ubuntu.com maverick-security/restricted Sources [14B]
Get:10 http://security.ubuntu.com maverick-security/main i386 Packages [36.3kB]
Get:11 http://security.ubuntu.com maverick-security/restricted i386 Packages [14B]
Get:12 http://archive.ubuntu.com maverick/restricted Sources [4370B]
Get:13 http://archive.ubuntu.com maverick/main i386 Packages [1492kB]
Get:14 http://archive.ubuntu.com maverick/restricted i386 Packages [5992B]
Get:15 http://archive.ubuntu.com maverick-updates/main Sources [34.8kB]
Get:16 http://archive.ubuntu.com maverick-updates/restricted Sources [14B]
Get:17 http://archive.ubuntu.com maverick-updates/main i386 Packages [92.4kB]
Get:18 http://archive.ubuntu.com maverick-updates/restricted i386 Packages [14B]
Fetched 2606kB in 19s (135kB/s)
Reading package lists...
Installing language packs (en)...
Reading package lists...
Building dependency tree...
Reading state information...
language-pack-en is already the newest version.
language-pack-en-base is already the newest version.
language-pack-gnome-en is already the newest version.
language-pack-gnome-en-base is already the newest version.
language-support-en is already the newest version.
language-support-writing-en is already the newest version.
The following NEW packages will be installed:
  language-pack-kde-en language-pack-kde-en-base
0 upgraded, 2 newly installed, 0 to remove and 134 not upgraded.
Need to get 452kB of archives.
After this operation, 7082kB of additional disk space will be used.
Get:1 http://archive.ubuntu.com/ubuntu/ maverick/main language-pack-kde-en-base all 1:10.10+20100930 [450kB]
Get:2 http://archive.ubuntu.com/ubuntu/ maverick/main language-pack-kde-en all 1:10.10+20100930 [2054B]
Fetched 452kB in 4s (113kB/s)
Selecting previously deselected package language-pack-kde-en-base.

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(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 124414 files and directories currently installed.)

Unpacking language-pack-kde-en-base (from .../language-pack-kde-en-base_1%3a10.10+20100930_all.deb) ...

Selecting previously deselected package language-pack-kde-en.

Unpacking language-pack-kde-en (from .../language-pack-kde-en_1%3a10.10+20100930_all.deb) ...

Processing triggers for software-center ...

Processing triggers for python-central ...

Setting up language-pack-kde-en (1:10.10+20100930) ...

Setting up language-pack-kde-en-base (1:10.10+20100930) ...

Processing triggers for python-gmenu ...

Rebuilding /usr/share/applications/desktop.C.cache...

Processing triggers for python-support ...

Removing unnecessary language packages...
Reading package lists...
Building dependency tree...
Reading state information...
The following packages will be REMOVED:
  language-pack-bn* language-pack-bn-base* language-pack-de*
  language-pack-de-base* language-pack-es* language-pack-es-base*
  language-pack-gnome-bn* language-pack-gnome-bn-base* language-pack-gnome-de*
  language-pack-gnome-de-base* language-pack-gnome-es*
  language-pack-gnome-es-base* language-pack-gnome-pt*
  language-pack-gnome-pt-base* language-pack-gnome-xh*
  language-pack-gnome-xh-base* language-pack-gnome-zh-hans*
  language-pack-gnome-zh-hans-base* language-pack-pt* language-pack-pt-base*
  language-pack-xh* language-pack-xh-base* language-pack-zh-hans*
  language-pack-zh-hans-base*
0 upgraded, 0 newly installed, 24 to remove and 134 not upgraded.
After this operation, 138MB disk space will be freed.
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(Reading database ... 80%
(Reading database ... 85%
(Reading database ... 90%
(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 125794 files and directories currently installed.)

Removing language-pack-gnome-es-base ...

Purging configuration files for language-pack-gnome-es-base ...

Removing language-pack-gnome-es ...

Removing language-pack-es-base ...

Purging configuration files for language-pack-es-base ...

Removing language-pack-gnome-pt-base ...

Purging configuration files for language-pack-gnome-pt-base ...

Removing language-pack-gnome-xh-base ...

Purging configuration files for language-pack-gnome-xh-base ...

Removing language-pack-gnome-zh-hans-base ...

Purging configuration files for language-pack-gnome-zh-hans-base ...

Removing language-pack-gnome-bn-base ...

Purging configuration files for language-pack-gnome-bn-base ...

Removing language-pack-gnome-bn ...

Removing language-pack-bn-base ...

Purging configuration files for language-pack-bn-base ...

Removing language-pack-gnome-de-base ...

Purging configuration files for language-pack-gnome-de-base ...

Removing language-pack-gnome-de ...

Removing language-pack-de-base ...

Purging configuration files for language-pack-de-base ...

Removing language-pack-es ...

Removing language-pack-gnome-pt ...

Removing language-pack-gnome-xh ...

Removing language-pack-gnome-zh-hans ...

Removing language-pack-pt-base ...

Purging configuration files for language-pack-pt-base ...

Removing language-pack-xh-base ...

Purging configuration files for language-pack-xh-base ...

Removing language-pack-zh-hans-base ...

Purging configuration files for language-pack-zh-hans-base ...

Removing language-pack-bn ...

Removing language-pack-de ...

Removing language-pack-pt ...

Removing language-pack-xh ...

Removing language-pack-zh-hans ...

Processing triggers for software-center ...

Processing triggers for python-gmenu ...

Rebuilding /usr/share/applications/desktop.C.cache...

Processing triggers for python-central ...

Processing triggers for python-support ...

Done
Removing generated machine uuid...
Removing generated resolv.conf...
Unmounting /home/praveen/tmp/remaster-root/tmp/customization-scripts...
Unmounting /home/praveen/tmp/remaster-root/var/cache/apt...
Unmounting /home/praveen/tmp/remaster-root/root...
Unmounting /home/praveen/tmp/remaster-root/tmp...
Unmounting /home/praveen/tmp/remaster-root/var/run...
Unmounting /home/praveen/tmp/remaster-root/dev/pts...
Unmounting /home/praveen/tmp/remaster-root/sys...
Unmounting /home/praveen/tmp/remaster-root/proc...
Cleaning up temporary directories...
Running ISO customization script /home/praveen/tmp/customization-scripts/customize_iso...
--2010-11-14 21:58:48-- http://archive.ubuntu.com/ubuntu/pool/main/g/gfxboot-theme-ubuntu/gfxboot-theme-ubuntu_0.10.2.tar.gz
Resolving archive.ubuntu.com... 91.189.92.170, 91.189.92.171, 91.189.92.172, ...
Connecting to archive.ubuntu.com|91.189.92.170|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 199953 (195K) [application/x-gzip]
Saving to: `gfxboot-theme-ubuntu_0.10.2.tar.gz'

     0K .......... .......... .......... .......... .......... 25% 49.8K 3s
    50K .......... .......... .......... .......... .......... 51% 99.6K 1s
   100K .......... .......... .......... .......... .......... 76% 199K 1s
   150K .......... .......... .......... .......... ..... 100% 201K=2.0s

2010-11-14 21:58:50 (98.5 KB/s) - `gfxboot-theme-ubuntu_0.10.2.tar.gz' saved [199953/199953]

make -C po
make[1]: Entering directory `/tmp/tmp.556mDrBge6/gfxboot-theme-ubuntu/po'
bin/po2txt bootloader.pot >en.tr
bin/po2txt am.po >am.tr
bin/po2txt ar.po >ar.tr
bin/po2txt ast.po >ast.tr
bin/po2txt be.po >be.tr
bin/po2txt bg.po >bg.tr
bin/po2txt bn.po >bn.tr
bin/po2txt bs.po >bs.tr
bin/po2txt ca.po >ca.tr
bin/po2txt cs.po >cs.tr
bin/po2txt da.po >da.tr
bin/po2txt de.po >de.tr
bin/po2txt el.po >el.tr
bin/po2txt eo.po >eo.tr
bin/po2txt es.po >es.tr
bin/po2txt et.po >et.tr
bin/po2txt eu.po >eu.tr
bin/po2txt fi.po >fi.tr
bin/po2txt fr.po >fr.tr
bin/po2txt ga.po >ga.tr
bin/po2txt gl.po >gl.tr
bin/po2txt gu.po >gu.tr
bin/po2txt he.po >he.tr
bin/po2txt hi.po >hi.tr
bin/po2txt hr.po >hr.tr
bin/po2txt hu.po >hu.tr
bin/po2txt id.po >id.tr
bin/po2txt it.po >it.tr
bin/po2txt ja.po >ja.tr
bin/po2txt ka.po >ka.tr
bin/po2txt kk.po >kk.tr
bin/po2txt km.po >km.tr
bin/po2txt ko.po >ko.tr
bin/po2txt ku.po >ku.tr
bin/po2txt lt.po >lt.tr
bin/po2txt lv.po >lv.tr
bin/po2txt mk.po >mk.tr
bin/po2txt ml.po >ml.tr
bin/po2txt nb.po >nb.tr
bin/po2txt ne.po >ne.tr
bin/po2txt nl.po >nl.tr
bin/po2txt nn.po >nn.tr
bin/po2txt pl.po >pl.tr
bin/po2txt pt_BR.po >pt_BR.tr
bin/po2txt pt.po >pt.tr
bin/po2txt pt_PT.po >pt_PT.tr
bin/po2txt ro.po >ro.tr
bin/po2txt ru.po >ru.tr
bin/po2txt sk.po >sk.tr
bin/po2txt sl.po >sl.tr
bin/po2txt sq.po >sq.tr
bin/po2txt sr.po >sr.tr
bin/po2txt sv.po >sv.tr
bin/po2txt ta.po >ta.tr
bin/po2txt th.po >th.tr
bin/po2txt tl.po >tl.tr
bin/po2txt tr.po >tr.tr
bin/po2txt uk.po >uk.tr
bin/po2txt vi.po >vi.tr
bin/po2txt zh_CN.po >zh_CN.tr
bin/po2txt zh_TW.po >zh_TW.tr
make[1]: Leaving directory `/tmp/tmp.556mDrBge6/gfxboot-theme-ubuntu/po'
mkdir -p boot
mkbootmsg -O -v -L ../.. -l boot/log -c boot.config boot/init
make: mkbootmsg: Command not found
make: *** [bootdir] Error 127
Failed to build gfxboot theme