package ukui-wallpapers (not installed) failed to install/upgrade: prøver å skrive over «/usr/share/backgrounds/calla.png» som også finnes i pakken ubuntukylin-wallpapers-focal 20.10.1

I don't know why this happened

ProblemType: Package
DistroRelease: Ubuntu 20.10
Package: ukui-wallpapers (not installed)
ProcVersionSignature: Ubuntu 5.8.0-31.33-generic 5.8.17
Uname: Linux 5.8.0-31-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu50.2
Architecture: amd64
CasperMD5CheckResult: skip
Date: Fri Dec 4 02:06:14 2020
DuplicateSignature:
 package:ukui-wallpapers:(not installed)
 Unpacking ukui-wallpapers (20.04.3-1.1) ...
 dpkg: error processing archive /tmp/apt-dpkg-install-Mvp9iE/133-ukui-wallpapers_20.04.3-1.1_all.deb (--unpack):
  prøver å skrive over «/usr/share/backgrounds/calla.png» som også finnes i pakken ubuntukylin-wallpapers-focal 20.10.1
ErrorMessage: prøver å skrive over «/usr/share/backgrounds/calla.png» som også finnes i pakken ubuntukylin-wallpapers-focal 20.10.1
InstallationDate: Installed on 2020-12-03 (0 days ago)
InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Release amd64 (20201022)
Python3Details: /usr/bin/python3.8, Python 3.8.6, python3-minimal, 3.8.6-0ubuntu1
PythonDetails: N/A
RebootRequiredPkgs: gnome-shell
RelatedPackageVersions:
 dpkg 1.20.5ubuntu2
 apt 2.1.10
SourcePackage: ukui-wallpapers
Title: package ukui-wallpapers (not installed) failed to install/upgrade: prøver å skrive over «/usr/share/backgrounds/calla.png» som også finnes i pakken ubuntukylin-wallpapers-focal 20.10.1
UpgradeStatus: No upgrade log present (probably fresh install)