ubiquity crashed Kubuntu 15.04

[Thomas Dostie]

Ubiquity when trying to install in VirtualBox. I choosed to encrypt my personal data.

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: ubiquity 2.21.1
ProcVersionSignature: Ubuntu 3.16.0-28.38-generic 3.16.7-ckt1
Uname: Linux 3.16.0-28-generic i686
ApportVersion: 2.15-0ubuntu3
Architecture: i386
CasperVersion: 1.347
CurrentDesktop: KDE
Date: Sat Jan 17 13:20:33 2015
InstallCmdLine: file=/cdrom/preseed/kubuntu.seed boot=casper maybe-ubiquity initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
LiveMediaBuild: Kubuntu 15.04 "Vivid Vervet" - Alpha i386 (20141218)
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

[Ubuntu Foundations Team Bug Bot (crichton)]

Exception during installation:
Jan 17 18:16:25 kubuntu /plugininstall.py: Traceback (most recent call last):
Jan 17 18:16:25 kubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 1770, in <module>
Jan 17 18:16:25 kubuntu /plugininstall.py: install.run()
Jan 17 18:16:25 kubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 78, in wrapper
Jan 17 18:16:25 kubuntu /plugininstall.py: func(self)
Jan 17 18:16:25 kubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 204, in run
Jan 17 18:16:25 kubuntu /plugininstall.py: self.configure_plugins()
Jan 17 18:16:25 kubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 570, in configure_plugins
Jan 17 18:16:25 kubuntu /plugininstall.py: self.run_plugin(plugin)
Jan 17 18:16:25 kubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 547, in run_plugin
Jan 17 18:16:25 kubuntu /plugininstall.py: "Plugin %s failed with code %s" % (plugin.NAME, ret))
Jan 17 18:16:25 kubuntu /plugininstall.py: ubiquity.install_misc.InstallStepError: Plugin console_setup failed with code 1
Jan 17 18:16:25 kubuntu /plugininstall.py: