Pressing top "Install" button on paprefs Network tab causes crash

(paprefs:26342): glibmm-ERROR **: 08:49:31.172:
unhandled exception (type std::exception) in signal handler:
what: basic_string::_M_construct null not valid

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: paprefs 1.1-1build1
ProcVersionSignature: Ubuntu 5.4.0-31.35-generic 5.4.34
Uname: Linux 5.4.0-31-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Thu May 21 08:50:34 2020
InstallationDate: Installed on 2020-04-23 (27 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: paprefs
UpgradeStatus: No upgrade log present (probably fresh install)