Ubiquity 2.15.16
Could not import plugin ubi-ubuntuone: No module named 'oauthlib'
Error: "/var/tmp/kdecache-kubuntu" is owned by uid 999 instead of uid 0.
mkdir failed: : Permission denied
QInotifyFileSystemWatcherEngine::addPaths: inotify_add_watch failed: No such file or directory
QFileSystemWatcher: failed to add paths: /home/kubuntu/.config/ibus/bus
TEXT <small>If more than one person will use this computer, you can set up multiple accounts after installation.</small>
TEXT <small>Enter the same password twice, so that it can be checked for typing errors.</small>
TEXT <small>The name it uses when it talks to other computers.</small>
TEXT <small>If more than one person will use this computer, you can set up multiple accounts after installation.</small>
TEXT <small>Enter the same password twice, so that it can be checked for typing errors.</small>
TEXT <small>The name it uses when it talks to other computers.</small>
QSocketNotifier: Invalid socket 16 and type 'Read', disabling...
QSocketNotifier: Invalid socket 16 and type 'Exception', disabling...
QSocketNotifier: Invalid socket 16 and type 'Write', disabling...
QSocketNotifier: Invalid socket 16 and type 'Read', disabling...
QSocketNotifier: Invalid socket 16 and type 'Exception', disabling...
QSocketNotifier: Invalid socket 16 and type 'Write', disabling...
Exception in KDE frontend (invoking crash handler):
Traceback (most recent call last):
  File "/usr/lib/ubiquity/ubiquity/frontend/kde_components/nmwidgets.py", line 439, in _connect_to_ap
    self.view.connect_to_selection(passphrase)
  File "/usr/lib/ubiquity/ubiquity/frontend/kde_components/nmwidgets.py", line 271, in connect_to_selection
    self.wifi_model.connect_to_ap(devid, ssid, passphrase)
  File "/usr/lib/ubiquity/ubiquity/nm.py", line 178, in connect_to_ap
    signature='a{sa{sv}}oo'))
  File "/usr/lib/python3/dist-packages/dbus/proxies.py", line 145, in __call__
    **keywords)
  File "/usr/lib/python3/dist-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.GLib.UnmappedError.NmManagerError.Code4: Not authorized to control networking.

Ubiquity 2.15.16
Could not import plugin ubi-ubuntuone: No module named 'oauthlib'
couldn't lock local file 
trying to create local folder /root/.kde: Permission denied
couldn't lock local file 
(4407)/KSharedDataCache KSharedDataCache::Private::mapSharedMemory: Failed to establish shared memory mapping, will fallback to private memory -- memory usage will increase 
QInotifyFileSystemWatcherEngine::addPaths: inotify_add_watch failed: Permission denied
QFileSystemWatcher: failed to add paths: /root/.config/ibus/bus
TEXT <small>If more than one person will use this computer, you can set up multiple accounts after installation.</small>
TEXT <small>Enter the same password twice, so that it can be checked for typing errors.</small>
TEXT <small>The name it uses when it talks to other computers.</small>
TEXT <small>If more than one person will use this computer, you can set up multiple accounts after installation.</small>
TEXT <small>Enter the same password twice, so that it can be checked for typing errors.</small>
TEXT <small>The name it uses when it talks to other computers.</small>
QSocketNotifier: Invalid socket 16 and type 'Read', disabling...
QSocketNotifier: Invalid socket 16 and type 'Exception', disabling...
QSocketNotifier: Invalid socket 16 and type 'Write', disabling...
QSocketNotifier: Invalid socket 16 and type 'Read', disabling...
QSocketNotifier: Invalid socket 16 and type 'Exception', disabling...
QSocketNotifier: Invalid socket 16 and type 'Write', disabling...