package man-db 2.9.1-1 failed to install/upgrade: triggers looping, abandoned

?

ProblemType: Package
DistroRelease: Ubuntu 20.04
Package: man-db 2.9.1-1
ProcVersionSignature: Ubuntu 5.4.0-1011.11-raspi 5.4.34
Uname: Linux 5.4.0-1011-raspi armv7l
ApportVersion: 2.20.11-0ubuntu27.2
AptOrdering:
 libldap-common:armhf: Install
 NULL: ConfigurePending
Architecture: armhf
CasperMD5CheckResult: skip
Date: Tue Jun 9 10:58:06 2020
ErrorMessage: triggers looping, abandoned
ImageMediaBuild: 20200423.1
Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu2
PythonDetails: N/A
RelatedPackageVersions:
 dpkg 1.19.7ubuntu3
 apt 2.0.2ubuntu0.1
SourcePackage: man-db
Title: package man-db 2.9.1-1 failed to install/upgrade: triggers looping, abandoned
UpgradeStatus: No upgrade log present (probably fresh install)