apturl-gtk crashed with gi.repository.GLib.GError in _get_dialog(): gtk-icon-theme-error-quark: Icon 'package-x-generic' not present in theme StarLabs (0)

[Lucas]

Package crash

ProblemType: Crash
DistroRelease: Ubuntu 19.04
Package: apturl 0.5.2ubuntu17
ProcVersionSignature: Ubuntu 5.0.0-8.9-generic 5.0.1
Uname: Linux 5.0.0-8-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.10-0ubuntu25
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Sun Apr 7 20:40:42 2019
ExecutablePath: /usr/bin/apturl-gtk
InstallationDate: Installed on 2019-03-29 (10 days ago)
InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Alpha amd64 (20190326.2)
InterpreterPath: /usr/bin/python3.7
ProcCmdline: /usr/bin/python3 /usr/bin/apturl-gtk apt:adobe-flashplugin?channel=$distro-partner
Python3Details: /usr/bin/python3.7, Python 3.7.3, python3-minimal, 3.7.3-1
PythonArgs: ['/usr/bin/apturl-gtk', 'apt:adobe-flashplugin?channel=$distro-partner']
PythonDetails: /usr/bin/python2.7, Python 2.7.16, python-minimal, 2.7.16-1
SourcePackage: apturl
Title: apturl-gtk crashed with gi.repository.GLib.GError in _get_dialog(): gtk-icon-theme-error-quark: Icon 'package-x-generic' not present in theme StarLabs (0)
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Sebastien Bacher (seb128)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. Please answer these questions:
* Is this reproducible?
* If so, what specific steps should we take to recreate this bug?

This will help us to find and resolve the problem.

[Launchpad Janitor (janitor)]

[Expired for apturl (Ubuntu) because there has been no activity for 60 days.]