package cryptsetup 2:1.6.6-5ubuntu2.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[cuvtixo]

Lubuntu All-in-One System Rescue Toolkit from paul-is-a-geek.org/aio-srt Large in lengthy software update had this one package failure

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: cryptsetup 2:1.6.6-5ubuntu2.1
ProcVersionSignature: Ubuntu 4.8.0-36.36~16.04.1-generic 4.8.11
Uname: Linux 4.8.0-36-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.15
Architecture: amd64
CasperVersion: 1.376.2
Date: Sun Jan 21 05:19:28 2018
ErrorMessage: subprocess installed post-installation script returned error exit status 1
LiveMediaBuild: Lubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.3
 apt 1.2.25
SourcePackage: grub2
Title: package cryptsetup 2:1.6.6-5ubuntu2.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)
crypttab: # <target name> <source device> <key file> <options>
fstab:
 aufs / aufs rw 0 0
 tmpfs /tmp tmpfs nosuid,nodev 0 0

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1724352, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.