Ubuntu16.04でsudo apt installができない

Ubuntu16.04LTSにライブラリをインストールしようとしたところ、以下のエラーが出てしまい、何もインストールすることができません。
以下はsudo apt install libopenblas-devをインストールしようとした結果です。

~$ sudo apt install libopenblas-dev
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following additional packages will be installed:
  binutils cpp cpp-5 gcc gcc-5 gcc-5-base gcc-6-base gfortran gfortran-5
  libasan2 libatomic1 libblas-common libblas-dev libblas3 libc-dev-bin libc6
  libc6-dev libcc1-0 libcilkrts5 libgcc-5-dev libgcc1 libgfortran-5-dev
  libgfortran3 libgmp10 libgomp1 libisl15 libitm1 liblsan0 libmpc3 libmpfr4
  libmpx0 libopenblas-base libquadmath0 libstdc++6 libtsan0 libubsan0
  linux-libc-dev manpages manpages-dev multiarch-support zlib1g
Suggested packages:
  binutils-doc cpp-doc gcc-5-locales gcc-multilib make autoconf automake
  libtool flex bison gdb gcc-doc gcc-5-multilib gcc-5-doc libgcc1-dbg
  libgomp1-dbg libitm1-dbg libatomic1-dbg libasan2-dbg liblsan0-dbg
  libtsan0-dbg libubsan0-dbg libcilkrts5-dbg libmpx0-dbg libquadmath0-dbg
  gfortran-multilib gfortran-doc gfortran-5-multilib gfortran-5-doc
  libgfortran3-dbg liblapack-doc-man liblapack-doc glibc-doc debconf
  | debconf-2.0 locales man-browser
The following NEW packages will be installed:
  binutils cpp cpp-5 gcc gcc-5 gcc-5-base gcc-6-base gfortran gfortran-5
  libasan2 libatomic1 libblas-common libblas-dev libblas3 libc-dev-bin libc6
  libc6-dev libcc1-0 libcilkrts5 libgcc-5-dev libgcc1 libgfortran-5-dev
  libgfortran3 libgmp10 libgomp1 libisl15 libitm1 liblsan0 libmpc3 libmpfr4
  libmpx0 libopenblas-base libopenblas-dev libquadmath0 libstdc++6 libtsan0
  libubsan0 linux-libc-dev manpages manpages-dev multiarch-support zlib1g
0 upgraded, 42 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B/49.6 MB of archives.
After this operation, 235 MB of additional disk space will be used.
Do you want to continue? [Y/n]  y
E: Cannot get debconf version. Is debconf installed?
debconf: apt-extracttemplates failed: No such file or directory
Extracting templates from packages: 71%E: Cannot get debconf version. Is debconf installed?
debconf: apt-extracttemplates failed: No such file or directory
Extracting templates from packages: 100%
dpkg: error: error removing old backup file '/var/lib/dpkg/status-old': Is a directory
E: Sub-process /usr/bin/dpkg returned an error code (2)