Comment 0 for bug 2032851

package install error

ProblemType: Package
DistroRelease: Ubuntu 20.04
Package: apparmor 2.12-4ubuntu5.3
ProcVersionSignature: Ubuntu 4.15.0-213.224-generic 4.15.18
Uname: Linux 4.15.0-213-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.27
Architecture: amd64
CasperMD5CheckResult: skip
Date: Thu Aug 24 02:35:35 2023
DuplicateSignature:
 package:apparmor:2.12-4ubuntu5.3
 Preparing to unpack .../16-apparmor_2.13.3-7ubuntu5.2_amd64.deb ...
 rm: cannot remove '/etc/apparmor.d/cache/bf9d6da9.0': Is a directory
 dpkg: error processing archive /tmp/apt-dpkg-install-InP0fz/16-apparmor_2.13.3-7ubuntu5.2_amd64.deb (--unpack):
  new apparmor package pre-installation script subprocess returned error exit status 1
ErrorMessage: new apparmor package pre-installation script subprocess returned error exit status 1
InstallationDate: Installed on 2023-08-22 (1 days ago)
InstallationMedia: Ubuntu 14.04.5 LTS "Trusty Tahr" - Release amd64 (20160803)
ProcKernelCmdline: BOOT_IMAGE=/boot/vmlinuz-4.15.0-213-generic root=UUID=c5495aa8-cf2c-4042-a2ea-4533e9343808 ro quiet splash vt.handoff=1
Python3Details: /usr/bin/python3.8, Python 3.8.10, python3-minimal, 3.8.2-0ubuntu2
PythonDetails: N/A
RelatedPackageVersions:
 dpkg 1.19.7ubuntu3.2
 apt 2.0.9
SourcePackage: apparmor
Syslog:
 Aug 24 02:04:25 adminn-Lenovo-V110-15ISK dbus-daemon[4678]: [session uid=1000 pid=4678] AppArmor D-Bus mediation is enabled
 Aug 24 02:05:26 adminn-Lenovo-V110-15ISK dbus-daemon[856]: [system] AppArmor D-Bus mediation is enabled
 Aug 24 02:05:31 adminn-Lenovo-V110-15ISK dbus-daemon[1021]: [session uid=124 pid=1021] AppArmor D-Bus mediation is enabled
 Aug 24 02:06:04 adminn-Lenovo-V110-15ISK dbus-daemon[1506]: [session uid=1000 pid=1506] AppArmor D-Bus mediation is enabled
 Aug 24 03:39:11 adminn-Lenovo-V110-15ISK dbus-daemon[9963]: [session uid=0 pid=9956] AppArmor D-Bus mediation is enabled
Title: package apparmor 2.12-4ubuntu5.3 failed to install/upgrade: new apparmor package pre-installation script subprocess returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)