package erlang-base (not installed) failed to install/upgrade: unable to create `/usr/share/lintian/overrides/erlang-base.dpkg-new' (while processing `./usr/share/lintian/overrides/erlang-base'): Input/output error

I'm running a live thumbdrive... Trying to make it a portable system.

ProblemType: Package
DistroRelease: Ubuntu 11.04
Package: erlang-base (not installed)
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
Architecture: i386
Date: Mon Jun 27 10:55:08 2011
ErrorMessage: unable to create `/usr/share/lintian/overrides/erlang-base.dpkg-new' (while processing `./usr/share/lintian/overrides/erlang-base'): Input/output error
LiveMediaBuild: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
SourcePackage: erlang
Title: package erlang-base (not installed) failed to install/upgrade: unable to create `/usr/share/lintian/overrides/erlang-base.dpkg-new' (while processing `./usr/share/lintian/overrides/erlang-base'): Input/output error
UpgradeStatus: No upgrade log present (probably fresh install)