[Bug 890344] [NEW] Update manager "Could not initialise the package information"

[hanx9999]

Public bug reported:

Ubuntu 11.10 with Gnome shell and i was just after adding the following
repositories in Terminal and i noticed the source list would not update.

sudo add-apt-repository ppa:gnome3-team/gnome3

sudo add-apt-repository ppa:ricotz/testing

sudo add-apt-repository ppa:webupd8team/gnome3

On opening update-manager I got the following error message.

Could not initialise the package information

An unresolvable problem occurred while initialising the package
information.

Please report this bug for the 'update-manager' package and try to
include the following error message:

'W:Ignoring file 'getdeb.list.bck' in directory
'/etc/apt/sources.list.d/' as it has an invalid filename extension,
E:Type ‘//ppa.launchpad.net/gnome3-team/gnome3/ubuntu’ is not known on
line 2 in source list /etc/apt/sources.list.d/gnome3-team-
gnome3-oneiric.list, E:The list of sources could not be read.,
W:Ignoring file 'getdeb.list.bck' in directory
'/etc/apt/sources.list.d/' as it has an invalid filename extension,
W:Ignoring file 'getdeb.list.bck' in directory
'/etc/apt/sources.list.d/' as it has an invalid filename extension,
E:The package lists or status file could not be parsed or opened.

** Affects: update-manager (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/890344

Title:
  Update manager "Could not initialise the package information"

Status in “update-manager” package in Ubuntu:
  New

Bug description:
  Ubuntu 11.10 with Gnome shell and i was just after adding the
  following repositories in Terminal and i noticed the source list would
  not update.

  sudo add-apt-repository ppa:gnome3-team/gnome3

  sudo add-apt-repository ppa:ricotz/testing

  sudo add-apt-repository ppa:webupd8team/gnome3

  On opening update-manager I got the following error message.

  Could not initialise the package information

  An unresolvable problem occurred while initialising the package
  information.

  Please report this bug for the 'update-manager' package and try to
  include the following error message:

  'W:Ignoring file 'getdeb.list.bck' in directory
  '/etc/apt/sources.list.d/' as it has an invalid filename extension,
  E:Type ‘//ppa.launchpad.net/gnome3-team/gnome3/ubuntu’ is not known on
  line 2 in source list /etc/apt/sources.list.d/gnome3-team-
  gnome3-oneiric.list, E:The list of sources could not be read.,
  W:Ignoring file 'getdeb.list.bck' in directory
  '/etc/apt/sources.list.d/' as it has an invalid filename extension,
  W:Ignoring file 'getdeb.list.bck' in directory
  '/etc/apt/sources.list.d/' as it has an invalid filename extension,
  E:The package lists or status file could not be parsed or opened.

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