"ubuntu-bug thunderbird" produces a stackstrace: TypeError: expected string or bytes-like object

$ ubuntu-bug thunderbird
ERROR: hook /usr/share/apport/package-hooks/source_thunderbird.py crashed:
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/apport/report.py", line 228, in _run_hook
    symb['add_info'](report, ui)
  File "/usr/share/apport/package-hooks/source_thunderbird.py", line 1386, in add_info
    if (profile.current or profile.default) and profile.addon_compat_check_disabled:
  File "/usr/share/apport/package-hooks/source_thunderbird.py", line 1227, in addon_compat_check_disabled
    is_nightly = re.sub(r'^[^\.]+\.[0-9]+([a-z0-9]*).*', r'\1', self.last_version) == 'a1'
  File "/usr/lib/python3.9/re.py", line 210, in sub
    return _compile(pattern, flags).sub(repl, string, count)
TypeError: expected string or bytes-like object

Note that this does open the window to send the data and it's possible to fill a bug, but it's not nice to get the stacktrace.

ProblemType: Bug
DistroRelease: Ubuntu 21.10
Package: thunderbird 1:78.13.0+build1-0ubuntu2
ProcVersionSignature: Ubuntu 5.13.0-14.14-generic 5.13.1
Uname: Linux 5.13.0-14-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu68
Architecture: amd64
BuildID: 20210802223056
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Fri Sep 10 09:33:35 2021
DefaultProfileExtensions: extensions.sqlite corrupt or missing
DefaultProfileIncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite)
DefaultProfileLocales: extensions.sqlite corrupt or missing
DefaultProfilePrefErrors: Unexpected character ',' before close parenthesis @ /usr/lib/thunderbird/omni.ja:greprefs.js:732
DefaultProfileThemes: extensions.sqlite corrupt or missing
InstallationDate: Installed on 2020-12-08 (275 days ago)
InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Release amd64 (20201022)
Profiles:
 Profile1 (Default) - LastVersion=None/None (Out of date)
 Profile0 - LastVersion=78.13.0/20210802223056 (In use)
SourcePackage: thunderbird
UpgradeStatus: Upgraded to impish on 2021-08-17 (23 days ago)