ClearCalendarScreenlet.py crashed with GError in load_buttons(): Icon 'gtk-close' not present in theme

[fantab]

I have installed SCREENLETS and have set them to start at login. This mishap occurs after restart.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: screenlets-pack-basic 0.0.2-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-12.19-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
ApportVersion: 1.23-0ubuntu2
Architecture: amd64
Date: Thu Oct 6 01:02:24 2011
ExecutablePath: /usr/share/screenlets/screenlets-pack-basic/ClearCalendar/ClearCalendarScreenlet.py
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110921.2)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: python -u /usr/share/screenlets/screenlets-pack-basic/ClearCalendar/ClearCalendarScreenlet.py
ProcEnviron:
 LANGUAGE=en_IN:en
 LANG=en_IN
 SHELL=/bin/bash
PythonArgs: ['/usr/share/screenlets/screenlets-pack-basic/ClearCalendar/ClearCalendarScreenlet.py']
SourcePackage: indiv-screenlets
Title: ClearCalendarScreenlet.py crashed with GError in load_buttons(): Icon 'gtk-close' not present in theme
Traceback:
 Traceback (most recent call last):
   File "/usr/lib/pymodules/python2.7/screenlets/__init__.py", line 1245, in load_buttons
     self.closeb = self.gtk_icon_theme.load_icon ("gtk-close", 16, 0)
 GError: Icon 'gtk-close' not present in theme
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[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 #867809, 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.