[Bug 789978] Re: programming error in aptdaemon, the software that allows you to install/remove software

[Robert Roth]

*** This bug is a duplicate of bug 659438 ***
    https://bugs.launchpad.net/bugs/659438

** This bug has been marked a duplicate of bug 659438
   Installation/Removal fails because of package which could not be located (failure in apt.Cache.required_download)

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https://bugs.launchpad.net/bugs/789978

Title:
  programming error in aptdaemon, the software that allows you to
  install/remove software

Status in Aptdaemon:
  New
Status in “aptdaemon” package in Ubuntu:
  New

Bug description:
  Traceback (most recent call last):
    File "/usr/lib/python2.6/dist-packages/aptdaemon/worker.py", line 779, in simulate
      retu"/usr/lib/python2.6/dist-packages/aptdaemon/worker.py", line 958, in _simulate_helper
      return depends, status, self._cache.required_download, \
    File "/usr/lib/python2.6/dist-packages/apt/cache.py", line 218, in required_download
      pm.get_archives(fetcher, self._list, self._records)
  SystemError: E:I wasn't able to locate file for the libcddb2 package. This might mean you need to manually fix this package.
  rn self._simulate_helper(trans, status_path)
    File