Vobcopy closes when trying to archive a dvd

[cariboo]

this is the output I get in a terminal when trying to run vobcopy

 vobcopy -l
Vobcopy 1.1.0 - GPL Copyright (c) 2001 - 2007 <email address hidden>
[Hint] All lines starting with "libdvdread:" are not from vobcopy but from the libdvdread-library

[Info] Path to dvd: /dev/sr0
vobcopy: symbol lookup error: /usr/lib/libdvdread.so.4: undefined symbol: dlopen

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: vobcopy 1.1.0-1ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-12.19-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu2
Architecture: amd64
Date: Wed Oct 5 16:41:35 2011
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110915.1)
ProcEnviron:
 LANGUAGE=en_CA:en
 PATH=(custom, no user)
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
SourcePackage: vobcopy
UpgradeStatus: No upgrade log present (probably fresh install)