package metacity 1:3.18.7-0ubuntu0.3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2

[lora]

Ubuntu 16.04

installation problem via installing MATLAB. always crash after I activate the license.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: metacity 1:3.18.7-0ubuntu0.3
ProcVersionSignature: Ubuntu 4.10.0-38.42~16.04.1-generic 4.10.17
Uname: Linux 4.10.0-38-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.12
Architecture: amd64
Date: Fri Nov 17 18:17:01 2017
DuplicateSignature:
 package:metacity:1:3.18.7-0ubuntu0.3
 Setting up metacity (1:3.18.7-0ubuntu0.3) ...
 update-alternatives: error: cannot stat file '/home/lora/matlab/R2017b/bin/matlab': Not a directory
 dpkg: error processing package metacity (--configure):
  subprocess installed post-installation script returned error exit status 2
ErrorMessage: subprocess installed post-installation script returned error exit status 2
InstallationDate: Installed on 2017-04-16 (214 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.19
SourcePackage: metacity
Title: package metacity 1:3.18.7-0ubuntu0.3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2
UpgradeStatus: No upgrade log present (probably fresh install)

[Dmitry Shachnev (mitya57)]

It looks like you registered a third-party app with update-alternatives. So it is a local issue on your system, not a bug in metacity.