package proftpd-core 1.3.7c+dfsg-1build1 failed to install/upgrade: installed proftpd-core package post-installation script subprocess returned error exit status 1

[Tim]

This stops working on upgrade fro 20.04 latest version to 22.04 LTS.

ProblemType: Package
DistroRelease: Ubuntu 22.04
Package: proftpd-core 1.3.7c+dfsg-1build1
ProcVersionSignature: Ubuntu 5.4.0-153.170-generic 5.4.235
Uname: Linux 5.4.0-153-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
CasperMD5CheckResult: unknown
Date: Mon Jul 10 07:28:28 2023
ErrorMessage: installed proftpd-core package post-installation script subprocess returned error exit status 1
InstallationDate: Installed on 2021-03-06 (856 days ago)
InstallationMedia: Ubuntu-Server 16.04.6 LTS "Xenial Xerus" - Release amd64 (20190226)
Python3Details: /usr/bin/python3.10, Python 3.10.6, python3-minimal, 3.10.6-1~22.04
PythonDetails: /usr/bin/python3.10, Python 3.10.6, unpackaged
RebootRequiredPkgs: Error: path contained symlinks.
RelatedPackageVersions:
 dpkg 1.21.1ubuntu2.2
 apt 2.4.9
SourcePackage: proftpd-dfsg
Title: package proftpd-core 1.3.7c+dfsg-1build1 failed to install/upgrade: installed proftpd-core package post-installation script subprocess returned error exit status 1
UpgradeStatus: Upgraded to jammy on 2023-07-10 (0 days ago)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.