ubiquity crashed with AttributeError in do_set_property(): 'StateBox' object has no attribute 'label'

[Anouar CHELBIA]

when launching Install Release, the application crashes

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: ubiquity 2.7.35
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic-pae 3.0.4
Uname: Linux 3.0.0-11-generic-pae i686
ApportVersion: 1.23-0ubuntu1
Architecture: i386
Date: Fri Sep 23 16:32:30 2011
ExecutablePath: /usr/lib/ubiquity/bin/ubiquity
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha i386 (20100329)
InterpreterPath: /usr/bin/python2.7
ProcCmdline: /usr/bin/python /usr/lib/ubiquity/bin/ubiquity gtk_ui
ProcEnviron: Error: [Errno 13] Permission denied: '/proc/3178/environ'
PythonArgs: ['/usr/lib/ubiquity/bin/ubiquity', 'gtk_ui']
SourcePackage: ubiquity
Title: ubiquity crashed with AttributeError in do_set_property(): 'StateBox' object has no attribute 'label'
Traceback:
 Traceback (most recent call last):
   File "/usr/lib/ubiquity/ubiquity/gtkwidgets.py", line 309, in do_set_property
     self.label.set_text(value)
 AttributeError: 'StateBox' object has no attribute 'label'
UpgradeStatus: Upgraded to oneiric on 2011-09-23 (0 days ago)
UserGroups:

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #856669, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.