Crash when loading module

[Satoshi]

Distribution: Ubuntu 12.04 precise
Application: Ubuntu Tweak 0.7.2-1~precise1
Desktop:gnome-classic

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/ubuntutweak/main.py", line 497, in _load_module
    page = module()
  File "/usr/lib/python2.7/dist-packages/ubuntutweak/tweaks/workarounds.py", line 49, in __init__
    self.set_fix_theme_button_status()
  File "/usr/lib/python2.7/dist-packages/ubuntutweak/tweaks/workarounds.py", line 79, in set_fix_theme_button_status
    if proxy.is_exists(self.ROOT_THEMES) and proxy.is_exists(self.ROOT_ICONS):
  File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 145, in __call__
    **keywords)
  File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
DBusException: org.freedesktop.DBus.Error.ServiceUnknown: The name :1.84 was not provided by any .service files

[Ding Zhou (tualatrix)]

Could you try to reboot or re-intall Ubuntu Tweak? Thanks.