Hello,
I have a dual boot ubuntu mate / windows and can’t do a distro upgrade to Ubuntu MATE 16.04.1 LTS for 64-bit systems.
I have Ubuntu 15.10 wily and did “sudo do-release-upgrade” but I obtain this error message :
.....
xul-ext-calendar-timezones
xul-ext-torbirdy
yelp
yelp-xsl
zbar-tools
zeitgeist-core
zenity
zenity-common
Restoring original system state
Aborting
Reading package lists... Done
Building dependency tree
Reading state information... Done
and now I have also this error message :
sudo do-release-upgrade
Checking for a new Ubuntu release
Traceback (most recent call last):
File "/usr/bin/do-release-upgrade", line 125, in <module>
useProposed=options.proposed_release)
File "/usr/lib/python3/dist-packages/UpdateManager/Core/MetaRelease.py", line 98, in __init__
cache = apt.Cache()
File "/usr/lib/python3/dist-packages/apt/cache.py", line 113, in __init__
self.open(progress)
File "/usr/lib/python3/dist-packages/apt/cache.py", line 164, 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/ppa.launchpad.net_haecker-felix_gradio-daily_ubuntu_dists_xenial_main_i18n_Translation-en, E:The package lists or status file could not be parsed or opened.