package otrs2 3.1.7+dfsg1-8 failed to install/upgrade: subprocess installed post-installation script returned error exit status 255

[Panchenkov Dmitrii]

After a crash, lost the desktop background and the background duplicates the last open applications, like the screen-shot.

ProblemType: Package
DistroRelease: Ubuntu 13.04
Package: otrs2 3.1.7+dfsg1-8
ProcVersionSignature: Ubuntu 3.8.0-32.47-generic 3.8.13.10
Uname: Linux 3.8.0-32-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.9.2-0ubuntu8.5
Architecture: i386
Date: Fri Oct 25 08:38:57 2013
ErrorMessage: subprocess installed post-installation script returned error exit status 255
MarkForUpload: True
PackageArchitecture: all
SourcePackage: otrs2
Title: package otrs2 3.1.7+dfsg1-8 failed to install/upgrade: subprocess installed post-installation script returned error exit status 255
UpgradeStatus: Upgraded to raring on 2013-10-16 (8 days ago)