UCK Failed

UCK failed
error log show

Build (/usr/bin/uck-gui --wait-before-exit) started at 2018-05-10 20:44:23
>> Ubuntu Customization Kit 2.4.7 on Ubuntu 18.04, 4.15.0-21-generic x86_64
Starting CD remastering on Thu May 10 20:49:12 IST 2018
Customization dir=/home/adii/tmp/customization-scripts
Mounting ISO image...
mount: /home/adii/tmp/remaster-iso-mount: WARNING: device write-protected, mounted read-only.
Unpacking ISO image...
Unmounting ISO image...
Mounting SquashFS image...
Unpacking SquashFS image...
Unmounting SquashFS image...
Removing win32 files...
Creating apt cache...
Creating root home...
Mounting /proc
Mounting /sys
Mounting /dev/pts
Mounting /tmp
Mounting /home/adii/tmp/remaster-root-home
Mounting /home/adii/tmp/remaster-apt-cache
Mounting /run
Mounting /home/adii/tmp/customization-scripts
Copying fstab/mtab...
Creating DBUS uuid...
Deactivating initctl...
mv: cannot stat '/sbin/initctl': No such file or directory
Deactivating update-grub...
Deactivating grub-probe...
Hacking grub-probe postinst/postrm...
Remembering kernel update state...
>> Customizing: Ubuntu 18.04, 4.15.0-20-generic x86_64
Get:1 http://archive.ubuntu.com/ubuntu bionic InRelease [242 kB]
Get:2 http://security.ubuntu.com/ubuntu bionic-security InRelease [69.9 kB]
Get:3 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages [22.7 kB]
Get:4 http://archive.ubuntu.com/ubuntu bionic-updates InRelease [65.4 kB]
Get:5 http://archive.ubuntu.com/ubuntu bionic/main amd64 DEP-11 Metadata [477 kB]
Get:6 http://security.ubuntu.com/ubuntu bionic-security/main Translation-en [8228 B]
Get:7 http://archive.ubuntu.com/ubuntu bionic/main DEP-11 48x48 Icons [118 kB]
Get:8 http://archive.ubuntu.com/ubuntu bionic/main DEP-11 64x64 Icons [245 kB]
Get:9 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages [23.3 kB]
Get:10 http://archive.ubuntu.com/ubuntu bionic-updates/main Translation-en [8392 B]
Fetched 1280 kB in 48s (26.7 kB/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 (1:18.04+20180423).
language-pack-en-base is already the newest version (1:18.04+20180423).
language-pack-gnome-en is already the newest version (1:18.04+20180423).
language-pack-gnome-en-base is already the newest version (1:18.04+20180423).
0 upgraded, 0 newly installed, 0 to remove and 14 not upgraded.
W: --force-yes is deprecated, use one of the options starting with --allow instead.
Removing unnecessary language packages...
Reading package lists...
Building dependency tree...
Reading state information...
The following packages will be REMOVED:
  firefox-locale-de* firefox-locale-es* firefox-locale-fr* firefox-locale-it*
  firefox-locale-pt* firefox-locale-ru* firefox-locale-zh-hans*
  language-pack-de* language-pack-de-base* language-pack-es*
  language-pack-es-base* language-pack-fr* language-pack-fr-base*
  language-pack-gnome-de* language-pack-gnome-de-base* language-pack-gnome-es*
  language-pack-gnome-es-base* language-pack-gnome-fr*
  language-pack-gnome-fr-base* language-pack-gnome-it*
  language-pack-gnome-it-base* language-pack-gnome-pt*
  language-pack-gnome-pt-base* language-pack-gnome-ru*
  language-pack-gnome-ru-base* language-pack-gnome-zh-hans*
  language-pack-gnome-zh-hans-base* language-pack-it* language-pack-it-base*
  language-pack-pt* language-pack-pt-base* language-pack-ru*
  language-pack-ru-base* language-pack-zh-hans* language-pack-zh-hans-base*
0 upgraded, 0 newly installed, 35 to remove and 14 not upgraded.
After this operation, 149 MB disk space will be freed.
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(Reading database ... 143891 files and directories currently installed.)
Removing firefox-locale-de (59.0.2+build1-0ubuntu1) ...
Removing firefox-locale-es (59.0.2+build1-0ubuntu1) ...
Removing firefox-locale-fr (59.0.2+build1-0ubuntu1) ...
Removing firefox-locale-it (59.0.2+build1-0ubuntu1) ...
Removing firefox-locale-pt (59.0.2+build1-0ubuntu1) ...
Removing firefox-locale-ru (59.0.2+build1-0ubuntu1) ...
Removing firefox-locale-zh-hans (59.0.2+build1-0ubuntu1) ...
Removing language-pack-gnome-de-base (1:18.04+20180423) ...
Removing language-pack-de-base (1:18.04+20180423) ...
Removing language-pack-gnome-es-base (1:18.04+20180423) ...
Removing language-pack-es-base (1:18.04+20180423) ...
Removing language-pack-gnome-fr-base (1:18.04+20180423) ...
Removing language-pack-fr-base (1:18.04+20180423) ...
Removing language-pack-gnome-it-base (1:18.04+20180423) ...
Removing language-pack-gnome-pt-base (1:18.04+20180423) ...
Removing language-pack-gnome-ru-base (1:18.04+20180423) ...
Removing language-pack-gnome-zh-hans-base (1:18.04+20180423) ...
Removing language-pack-it-base (1:18.04+20180423) ...
Removing language-pack-pt-base (1:18.04+20180423) ...
Removing language-pack-ru-base (1:18.04+20180423) ...
Removing language-pack-zh-hans-base (1:18.04+20180423) ...
Removing language-pack-gnome-de (1:18.04+20180423) ...
Removing language-pack-de (1:18.04+20180423) ...
Removing language-pack-gnome-es (1:18.04+20180423) ...
Removing language-pack-es (1:18.04+20180423) ...
Removing language-pack-gnome-fr (1:18.04+20180423) ...
Removing language-pack-fr (1:18.04+20180423) ...
Removing language-pack-gnome-it (1:18.04+20180423) ...
Removing language-pack-gnome-pt (1:18.04+20180423) ...
Removing language-pack-gnome-ru (1:18.04+20180423) ...
Removing language-pack-gnome-zh-hans (1:18.04+20180423) ...
Removing language-pack-it (1:18.04+20180423) ...
Removing language-pack-pt (1:18.04+20180423) ...
Removing language-pack-ru (1:18.04+20180423) ...
Removing language-pack-zh-hans (1:18.04+20180423) ...
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(Reading database ... 135481 files and directories currently installed.)
Purging configuration files for language-pack-pt-base (1:18.04+20180423) ...
Purging configuration files for language-pack-gnome-fr-base (1:18.04+20180423) ...
Purging configuration files for language-pack-ru-base (1:18.04+20180423) ...
Purging configuration files for language-pack-gnome-es-base (1:18.04+20180423) ...
Purging configuration files for language-pack-gnome-zh-hans-base (1:18.04+20180423) ...
Purging configuration files for language-pack-es-base (1:18.04+20180423) ...
Purging configuration files for language-pack-gnome-pt-base (1:18.04+20180423) ...
Purging configuration files for language-pack-gnome-de-base (1:18.04+20180423) ...
Purging configuration files for language-pack-zh-hans-base (1:18.04+20180423) ...
Purging configuration files for language-pack-fr-base (1:18.04+20180423) ...
Purging configuration files for language-pack-de-base (1:18.04+20180423) ...
Purging configuration files for language-pack-gnome-ru-base (1:18.04+20180423) ...
Purging configuration files for language-pack-gnome-it-base (1:18.04+20180423) ...
Purging configuration files for language-pack-it-base (1:18.04+20180423) ...
W: --force-yes is deprecated, use one of the options starting with --allow instead.
No protocol specified
Unable to init server: Could not connect: Connection refused

(zenity:4636): Gtk-WARNING **: 15:26:55.761: cannot open display: :0
Script cancelled by user
Restoring kernel update state...
Reactivating initctl...
mv: cannot stat '/sbin/initctl.uck_blocked': No such file or directory
Reactivating update-grub...
Reactivating grub-probe...
Reactivating grub-probe postinst/postrm...
Removing generated machine uuid...
Removing generated fstab/mtab...
Removing crash reports...
Unmounting /home/adii/tmp/remaster-root/var/cache/apt...
Unmounting /home/adii/tmp/remaster-root/tmp/customization-scripts...
Unmounting /home/adii/tmp/remaster-root/tmp...
Unmounting /home/adii/tmp/remaster-root/sys...
Unmounting /home/adii/tmp/remaster-root/run...
Unmounting /home/adii/tmp/remaster-root/root...
Unmounting /home/adii/tmp/remaster-root/proc...
Unmounting /home/adii/tmp/remaster-root/dev/pts...
Cleaning up temporary directories...
Gtk-Message: 20:57:01.783: GtkDialog mapped without a transient parent. This is discouraged.