package python3-problem-report 2.20.1-0ubuntu2.6 failed to install/upgrade: package python3-problem-report is not ready for configuration cannot configure (current status 'half-installed')

[nandra putra aryanto]

cannot download from ubuntu software

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: python3-problem-report 2.20.1-0ubuntu2.6
ProcVersionSignature: Ubuntu 4.8.0-52.55~16.04.1-generic 4.8.17
Uname: Linux 4.8.0-52-generic x86_64
ApportLog:

ApportVersion: 2.20.1-0ubuntu2.6
Architecture: amd64
CrashReports:
 600:0:116:472536:2017-05-21 19:01:25.130897998 +0700:2017-05-21 19:01:26.130897998 +0700:/var/crash/python3-problem-report.0.crash
 600:0:116:472244:2017-05-21 19:01:26.114898034 +0700:2017-05-21 19:01:25.622900741 +0700:/var/crash/grub-pc.0.crash
Date: Sun May 21 19:01:26 2017
Dependencies:

DuplicateSignature:
 package:python3-problem-report:2.20.1-0ubuntu2.6
 Setting up grub-pc (2.02~beta2-36ubuntu3.10) ...
 /var/lib/dpkg/info/grub-pc.postinst: line 703: syntax error near unexpected token `fi'
 dpkg: error processing package grub-pc (--configure):
  subprocess installed post-installation script returned error exit status 2
ErrorMessage: package python3-problem-report is not ready for configuration cannot configure (current status 'half-installed')
InstallationDate: Installed on 2017-03-26 (56 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.2
 apt 1.2.20
SourcePackage: apport
Title: package python3-problem-report 2.20.1-0ubuntu2.6 failed to install/upgrade: package python3-problem-report is not ready for configuration cannot configure (current status 'half-installed')
UpgradeStatus: No upgrade log present (probably fresh install)