crash during full disk install

[karl anliot]

installing to a external drive, ubiquity crashed. External drive was formatted
"do somethng else" was chosen , no swap, / was selected on a ntfs partition. **(sorry for confusion the disk was NTFS, but I "did something else" to add a Ext4 partition)

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: ubiquity 2.10.10
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
Uname: Linux 3.2.0-23-generic x86_64
ApportVersion: 2.0.1-0ubuntu2
Architecture: amd64
CasperVersion: 1.314
Date: Thu Apr 12 22:13:04 2012
InstallCmdLine: file=/cdrom/preseed/lubuntu.seed boot=casper only-ubiquity initrd=/casper/initrd.lz quiet splash --
LiveMediaBuild: Lubuntu 12.04 "Precise Pangolin" - Beta amd64 (20120412)
ProcEnviron:
 LANGUAGE=en_US.UTF-8
 TERM=linux
 PATH=(custom, no user)
 LANG=en_US.UTF-8
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

[Ubuntu Foundations Team Bug Bot (crichton)]

Exception during installation:
Apr 13 01:51:33 lubuntu plugininstall.py: Traceback (most recent call last):
Apr 13 01:51:33 lubuntu plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 1720, in <module>
Apr 13 01:51:33 lubuntu plugininstall.py: install.run()
Apr 13 01:51:33 lubuntu plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 55, in wrapper
Apr 13 01:51:33 lubuntu plugininstall.py: func(self)
Apr 13 01:51:33 lubuntu plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 166, in run
Apr 13 01:51:33 lubuntu plugininstall.py: self.configure_face()
Apr 13 01:51:33 lubuntu plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 280, in configure_face
Apr 13 01:51:33 lubuntu plugininstall.py: uid = int(uid)
Apr 13 01:51:33 lubuntu plugininstall.py: ValueError: invalid literal for int() with base 10: ''
Apr 13 01:51:33 lubuntu plugininstall.py: