package oxygen-icon-theme (not installed) failed to install/upgrade: »/usr/share/icons/oxygen/128x128/mimetypes/application-x-kvtml.png.dpkg-new« kann nicht geöffnet werden: Operation not permitted

Problem while executing "sudo apt-get install krita"

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: oxygen-icon-theme (not installed)
ProcVersionSignature: Ubuntu 4.4.0-113.136~14.04.1-generic 4.4.98
Uname: Linux 4.4.0-113-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.27
Architecture: amd64
Date: Wed Feb 14 14:27:52 2018
DuplicateSignature: package:oxygen-icon-theme:(not installed):»/usr/share/icons/oxygen/128x128/mimetypes/application-x-kvtml.png.dpkg-new« kann nicht geöffnet werden: Operation not permitted
ErrorMessage: »/usr/share/icons/oxygen/128x128/mimetypes/application-x-kvtml.png.dpkg-new« kann nicht geöffnet werden: Operation not permitted
InstallationDate: Installed on 2015-10-01 (866 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
RelatedPackageVersions:
 dpkg 1.17.5ubuntu5.7
 apt 1.0.1ubuntu2.17
SourcePackage: oxygen-icons
Title: package oxygen-icon-theme (not installed) failed to install/upgrade: »/usr/share/icons/oxygen/128x128/mimetypes/application-x-kvtml.png.dpkg-new« kann nicht geöffnet werden: Operation not permitted
UpgradeStatus: Upgraded to trusty on 2016-08-08 (555 days ago)