Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/ccm/Window.py", line 403, in ShowPreferences
    preferencesPage = PreferencesPage(self, self.Context)
  File "/usr/lib/python2.5/site-packages/ccm/Pages.py", line 1235, in __init__
    self.PluginListPage = PluginListPage(main, context)
  File "/usr/lib/python2.5/site-packages/ccm/Pages.py", line 1100, in __init__
    self.UpdateEnabledPluginsList()
  File "/usr/lib/python2.5/site-packages/ccm/Pages.py", line 1122, in UpdateEnabledPluginsList
    activePlugins = self.Context.Plugins['core'].Display['active_plugins'].Value
KeyError: 'core'