update manager ,could not initialize the package information

[Grace Salazar]

'E:Dynamic MMap ran out of room. Please increase the size of APT::Cache-Limit. Current value: 25165824. (man 5 apt.conf), E:Error occurred while processing python-qtext-dbg (NewVersion1), E:Problem with MergeList /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_lucid_universe_binary-i386_Packages, E:The package lists or status file could not be parsed or opened.SystemError: E:Dynamic MMap ran out of room. Please increase the size
of APT::Cache-Limit. Current value: 25165824. (man 5 apt.conf),
E:Error occurred while processing python-qtext-dbg (NewVersion1),
E:Problem with MergeList
/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_lucid_universe_binary-i386_Packages,
W:Unable to munmap, E:The package lists or status file could not be
parsed or opened.
=== Command detached from window (Tue Jan 1 08:05:59 2002) ===
=== Command terminated with exit status 1 (Tue Jan 1 08:05:59 2002) ===

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.