package grub-pc 2.02~beta2-36ubuntu3.11 failed to install/upgrade: subprocess installed post-installation script returned error exit status 10

[lovely]

Setting up grub-pc (2.02~beta2-36ubuntu3.11) ...

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: grub-pc 2.02~beta2-36ubuntu3.11
ProcVersionSignature: Ubuntu 4.4.0-87.110-generic 4.4.73
Uname: Linux 4.4.0-87-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.10
Architecture: amd64
Date: Sat Jul 29 16:00:55 2017
DpkgTerminalLog:
 Setting up grub-pc (2.02~beta2-36ubuntu3.11) ...
 dpkg: error processing package grub-pc (--configure):
  subprocess installed post-installation script returned error exit status 10
DuplicateSignature:
 package:grub-pc:2.02~beta2-36ubuntu3.11
 Setting up grub-pc (2.02~beta2-36ubuntu3.11) ...
 dpkg: error processing package grub-pc (--configure):
  subprocess installed post-installation script returned error exit status 10
ErrorMessage: subprocess installed post-installation script returned error exit status 10
InstallationDate: Installed on 2017-04-20 (99 days ago)
InstallationMedia: It
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-87-generic root=UUID=78dd57d0-aa13-4337-a3b3-9189e8fa519c ro quiet splash vt.handoff=7
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.2
 apt 1.2.20
SourcePackage: grub2
Title: package grub-pc 2.02~beta2-36ubuntu3.11 failed to install/upgrade: subprocess installed post-installation script returned error exit status 10
UpgradeStatus: No upgrade log present (probably fresh install)

[Phillip Susi (psusi)]

Please attach /var/log/apt/term.log after getting this error.

[Launchpad Janitor (janitor)]

[Expired for grub2 (Ubuntu) because there has been no activity for 60 days.]