Building failed

here is log
Starting CD remastering on Thu Mar 26 13:18:54 EST 2009
Customization dir=/home/garyg/tmp/customization-scripts
Removing remastering root dir...
Removing ISO remastering dir...
Mounting ISO image...
Unpacking ISO image...
Unmounting ISO image...
Mounting SquashFS image...
Unpacking SquashFS image...
Unmounting SquashFS image...
Copying customization scripts...
Copying resolv.conf...
Copying local apt cache, if available
Mounting X11 sockets directory to allow access from customization environment...
Creating user directory...
Copying X authorization file to chroot filesystem...
xauth: creating new authority file /root/.Xauthority
xauth: creating new authority file /home/garyg/.Xauthority
You need kdialog, Xdialog, dialog or zenity application to run this script, please install it using 'apt-get install packagename' where packagename is 'kdebase-bin' for kdialog, 'xdialog' for dialog, 'dialog' for dialog. If you are using text-mode, you need to install dialog.
Unmounting directory /home/garyg/tmp/remaster-root/tmp/.X11-unix...
Unmounting directory /home/garyg/tmp/remaster-root/proc...
Unmounting directory /home/garyg/tmp/remaster-root/sys...
Unmounting directory /home/garyg/tmp/remaster-root/dev/pts...
Saving apt cache
Cleaning up apt
Removing customize dir...
Cleaning up temporary directories...
Restoring /root directory...
Removing /home/username directory, if created...
Restoring resolv.conf...

I have attempted this 9 times always with the same log ....every package is installed !!! I am using 8.10 with Gnome desktop. Regards Gary G