Distribution: Ubuntu 11.04 natty Application: Ubuntu Tweak 0.5.13 Desktop: gnome Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/ubuntutweak/mainwindow.py", line 502, in setup_notebook page = module() File "/usr/lib/python2.7/dist-packages/ubuntutweak/modules/updatemanager.py", line 44, in __init__ self.update_list() File "/usr/lib/python2.7/dist-packages/ubuntutweak/modules/updatemanager.py", line 59, in update_list PACKAGE_WORKER.update_apt_cache(init=True) File "/usr/lib/python2.7/dist-packages/ubuntutweak/common/package.py", line 226, in update_apt_cache self.cache = apt.Cache() File "/usr/lib/python2.7/dist-packages/apt/cache.py", line 89, in __init__ self.open(progress) File "/usr/lib/python2.7/dist-packages/apt/cache.py", line 127, in open self._cache = apt_pkg.Cache(progress) SystemError: E:Encountered a section with no Package: header, E:Problem with MergeList /var/lib/apt/lists/extras.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages, E:The package lists or status file could not be parsed or opened.

[Sudi Chakravarthy]

i am unable to use update manager because of this error

thank you