dock_applet.py crashed with AttributeError in set_app_icon(): 'NoneType' object has no attribute 'get_filename'

[Michael Ramsey]

Attempted to change colour

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: mate-dock-applet 0.69-1
ProcVersionSignature: Ubuntu 4.4.0-13.29-generic 4.4.5
Uname: Linux 4.4.0-13-generic i686
ApportVersion: 2.20-0ubuntu3
Architecture: i386
CurrentDesktop: MATE
Date: Thu Mar 17 22:21:24 2016
ExecutablePath: /usr/lib/mate-applets/mate-dock-applet/dock_applet.py
InstallationDate: Installed on 2016-03-17 (0 days ago)
InstallationMedia: Ubuntu-MATE 16.04 LTS "Xenial Xerus" - Alpha i386 (20160224)
InterpreterPath: /usr/bin/python3.5
ProcCmdline: python3 /usr/lib/hostname-applets/hostname-dock-applet/dock_applet.py
ProcEnviron:
 SHELL=/bin/bash
 XDG_RUNTIME_DIR=<set>
 PATH=(custom, no user)
 LANGUAGE=en_US
 LANG=en_US.UTF-8
PythonArgs: ['/usr/lib/hostname-applets/hostname-dock-applet/dock_applet.py']
SourcePackage: mate-dock-applet
Title: dock_applet.py crashed with AttributeError in set_app_icon(): 'NoneType' object has no attribute 'get_filename'
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Norbert (nrbrtx)]

Can you reproduce this bug with newer version of Ubuntu MATE?

[Launchpad Janitor (janitor)]

[Expired for mate-dock-applet (Ubuntu) because there has been no activity for 60 days.]