package ca-certificates 20201027ubuntu0.20.10.1 failed to install/upgrade: installed ca-certificates package post-installation script subprocess returned error exit status 1

[Craig Seabrooks]

I just reinstalled Ubuntu 20.10 on RPi 4 (4GB)

ProblemType: Package
DistroRelease: Ubuntu 20.10
Package: ca-certificates 20201027ubuntu0.20.10.1
ProcVersionSignature: Ubuntu 5.8.0-1006.9-raspi 5.8.14
Uname: Linux 5.8.0-1006-raspi aarch64
ApportVersion: 2.20.11-0ubuntu50
AptOrdering:
 ca-certificates:arm64: Install
 NULL: ConfigurePending
Architecture: arm64
CasperMD5CheckResult: skip
Date: Sun Nov 1 07:18:27 2020
DuplicateSignature:
 package:ca-certificates:20201027ubuntu0.20.10.1
 Setting up ca-certificates (20201027ubuntu0.20.10.1) ...
 debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
 dpkg: error processing package ca-certificates (--configure):
  installed ca-certificates package post-installation script subprocess returned error exit status 1
ErrorMessage: installed ca-certificates package post-installation script subprocess returned error exit status 1
ImageMediaBuild: 20201022
PackageArchitecture: all
Python3Details: /usr/bin/python3.8, Python 3.8.6, python3-minimal, 3.8.6-0ubuntu1
PythonDetails: N/A
RelatedPackageVersions:
 dpkg 1.20.5ubuntu2
 apt 2.1.10
SourcePackage: ca-certificates
Title: package ca-certificates 20201027ubuntu0.20.10.1 failed to install/upgrade: installed ca-certificates package post-installation script subprocess returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)