Docky.exe crashed with SIGABRT in g_type_name()

I was just installing some updates that were available after starting up.
 Ubuntu Vivid Vervet (development branch)
Release: 15.04

ProblemType: Crash
DistroRelease: Ubuntu 15.04
Package: docky 2.2.0-2
ProcVersionSignature: Ubuntu 3.19.0-13.13-generic 3.19.3
Uname: Linux 3.19.0-13-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.17-0ubuntu2
Architecture: amd64
CurrentDesktop: Unity
Date: Tue Apr 14 08:32:07 2015
ExecutablePath: /usr/lib/docky/Docky.exe
InstallationDate: Installed on 2015-04-08 (5 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Beta amd64 (20150326)
InterpreterPath: /usr/bin/mono-sgen
PackageArchitecture: all
ProcCmdline: mono /usr/lib/docky/Docky.exe
ProcEnviron:
 LANGUAGE=en_GB:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
Signal: 6
SourcePackage: docky
StacktraceTop:
 g_type_name () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? ()
 ?? ()
 ?? ()
 ?? ()
Title: Docky.exe crashed with SIGABRT in g_type_name()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo