package ubuntu-mono 14.04+16.04.20161024-0ubuntu1 failed to install/upgrade: package ubuntu-mono is already installed and configured

[António Dias]

i dont know

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: ubuntu-mono 14.04+16.04.20161024-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-53.74-generic 4.4.30
Uname: Linux 4.4.0-53-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.2
AptdaemonVersion: 1.1.1+bzr982-0ubuntu14
Architecture: amd64
CrashReports:
 640:0:116:3740565:2016-12-13 20:55:42.763469219 +0000:2016-12-13 20:55:44.567446208 +0000:/var/crash/update-manager-core.0.crash
 644:0:116:0:2016-12-13 20:55:44.587445639 +0000:2016-12-13 20:55:44.587445639 +0000:/var/crash/ubuntu-release-upgrader-core.0.upload
 644:0:116:0:2016-12-13 20:55:44.563446322 +0000:2016-12-13 20:55:44.563446322 +0000:/var/crash/update-manager-core.0.upload
 640:0:116:3214326:2016-12-13 20:55:42.715470790 +0000:2016-12-13 20:55:43.715470790 +0000:/var/crash/ubuntu-release-upgrader-core.0.crash
 600:0:116:542046:2016-12-13 20:54:41.442770004 +0000:2016-12-13 20:54:42.442770004 +0000:/var/crash/ubuntu-mono.0.crash
Date: Tue Dec 13 20:54:42 2016
DuplicateSignature:
 package:ubuntu-mono:14.04+16.04.20161024-0ubuntu1
 Processing triggers for mime-support (3.59ubuntu1) ...
 dpkg: error processing package ubuntu-release-upgrader-core (--configure):
  package ubuntu-release-upgrader-core is already installed and configured
ErrorMessage: package ubuntu-mono is already installed and configured
InstallationDate: Installed on 2016-12-13 (0 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.15ubuntu0.2
SourcePackage: ubuntu-themes
Title: package ubuntu-mono 14.04+16.04.20161024-0ubuntu1 failed to install/upgrade: package ubuntu-mono is already installed and configured
UpgradeStatus: No upgrade log present (probably fresh install)