package k3b-data (not installed) failed to install/upgrade: Versuch, »/usr/share/doc/HTML/en/k3b/index.cache.bz2« zu überschreiben, welches auch in Paket k3b:i386 0.11.5-1 ist

may be I tried to install it twice, I'm a novice in ubuntu.

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: k3b-data (not installed)
ProcVersionSignature: Ubuntu 4.15.0-39.42-generic 4.15.18
Uname: Linux 4.15.0-39-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
Date: Sun Nov 25 18:22:20 2018
ErrorMessage: Versuch, »/usr/share/doc/HTML/en/k3b/index.cache.bz2« zu überschreiben, welches auch in Paket k3b:i386 0.11.5-1 ist
InstallationDate: Installed on 2018-11-16 (8 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal, 3.6.5-3ubuntu1
PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu2.1
 apt 1.6.3ubuntu0.1
SourcePackage: k3b
Title: package k3b-data (not installed) failed to install/upgrade: Versuch, »/usr/share/doc/HTML/en/k3b/index.cache.bz2« zu überschreiben, welches auch in Paket k3b:i386 0.11.5-1 ist
UpgradeStatus: No upgrade log present (probably fresh install)