package plymouth-theme-ubuntu-mate-text 16.04.7 [modified: usr/share/plymouth/themes/ubuntu-mate-text/ubuntu-mate-text.plymouth] failed to install/upgrade: サブプロセス インストール済みの post-installation スクリプト はエラー終了ステータス 2 を返しました

[kobayasi]

I don't know the reason why but system reported the severe error automatically.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: plymouth-theme-ubuntu-mate-text 16.04.7 [modified: usr/share/plymouth/themes/ubuntu-mate-text/ubuntu-mate-text.plymouth]
ProcVersionSignature: Ubuntu 4.4.0-112.135-generic 4.4.98
Uname: Linux 4.4.0-112-generic i686
ApportVersion: 2.20.1-0ubuntu2.15
Architecture: i386
Date: Sat Feb 24 15:29:35 2018
ErrorMessage: サブプロセス インストール済みの post-installation スクリプト はエラー終了ステータス 2 を返しました
InstallationDate: Installed on 2017-05-21 (279 days ago)
InstallationMedia: Basix 3.0 - Release i386
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.3
 apt 1.2.25
SourcePackage: ubuntu-mate-artwork
Title: package plymouth-theme-ubuntu-mate-text 16.04.7 [modified: usr/share/plymouth/themes/ubuntu-mate-text/ubuntu-mate-text.plymouth] failed to install/upgrade: サブプロセス インストール済みの post-installation スクリプト はエラー終了ステータス 2 を返しました
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

[Expired for ubuntu-mate-artwork (Ubuntu) because there has been no activity for 60 days.]