parsing errors in menu editor

Told from Launchpad to file bug report. Okular, because it is in most lines.
ichael@michael-Inspiron-531:~$ lsb_release -rd
Description: Ubuntu 20.04 LTS
Release: 20.04
michael@michael-Inspiron-531:~$

ichael@michael-Inspiron-531:~$ apt-cache policy okular
okular:
  Installed: 4:19.12.3-2ubuntu1
  Candidate: 4:19.12.3-2ubuntu1
  Version table:
 *** 4:19.12.3-2ubuntu1 500
        500 http://us.archive.ubuntu.com/ubuntu focal/universe amd64 Packages
        100 /var/lib/dpkg/status

What you expected to happen? Do not know, have never seen this before.

https://postimg.cc/pyBGPrZF

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: okular 4:19.12.3-2ubuntu1
ProcVersionSignature: Ubuntu 5.4.0-37.41-generic 5.4.41
Uname: Linux 5.4.0-37-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.3
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Tue Jun 23 13:32:40 2020
InstallationDate: Installed on 2020-06-07 (15 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: okular
UpgradeStatus: No upgrade log present (probably fresh install)