Ubuntu-Tweak doesn't start in kubuntu 10.10

[Christian Hille]

ubuntu-tweak interrupts the start with the following error message:

Distribution: Ubuntu 10.10
Application: Ubuntu Tweak 0.5.7
Desktop: kde

Traceback (most recent call last):
  File "/usr/bin/ubuntu-tweak", line 110, in <module>
    launcher = TweakLauncher(session_bus, MainWindow())
  File "/usr/lib/python2.6/dist-packages/ubuntutweak/mainwindow.py", line 190, in __init__
    self.update_model()
  File "/usr/lib/python2.6/dist-packages/ubuntutweak/mainwindow.py", line 327, in update_model
    self.LOGO_COLUMN, MLOADER.get_pixbuf(module.__name__),
  File "/usr/lib/python2.6/dist-packages/ubuntutweak/modules/__init__.py", line 76, in get_pixbuf
    pixbuf = icon.get_from_name(module.__icon__)
  File "/usr/lib/python2.6/dist-packages/ubuntutweak/utils/icon.py", line 32, in get_from_name
    pixbuf = icontheme.load_icon(icons[random.randint(0, len(icons) - 1)], size, 0)
GError: Icon 'jockey-proprietary' not present in theme

[Ding Zhou (tualatrix)]

Please try to start Ubuntu Tweak again, and do you use the default KDE theme?