Manage Scripts module crashed/unavailable

[Robenroute]

Distribution: Ubuntu 10.04 lucid
Application: Ubuntu Tweak 0.5.10
Desktop: gnome

Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/ubuntutweak/mainwindow.py", line 502, in setup_notebook
    page = module()
  File "/usr/lib/python2.6/dist-packages/ubuntutweak/modules/scripts.py", line 165, in __init__
    self.enable_scripts = EnableScripts()
  File "/usr/lib/python2.6/dist-packages/ubuntutweak/modules/scripts.py", line 113, in __init__
    DirView.__init__(self, self.user_dir)
  File "/usr/lib/python2.6/dist-packages/ubuntutweak/widgets/treeviews.py", line 40, in __init__
    self.do_update_model(self.dir, iter)
  File "/usr/lib/python2.6/dist-packages/ubuntutweak/modules/scripts.py", line 128, in do_update_model
    self.do_update_model(fullname, child_iter)
  File "/usr/lib/python2.6/dist-packages/ubuntutweak/modules/scripts.py", line 116, in do_update_model
    for item in os.listdir(dir):
OSError: [Errno 13] Permission denied: '/home/rob/.gnome2/nautilus-scripts/.rdata'