Smuxi

Happens when trying to open preferences or manage servers.

Exception Type:
System.NullReferenceException

Exception Message:
Object reference not set to an instance of an object

Exception StackTrace:
  at Smuxi.Frontend.Gnome.PreferencesDialog._Load () [0x00257] in /builddir/build/BUILD/smuxi-1.0/src/Frontend-GNOME/Preferences/PreferencesDialog.cs:342 
  at Smuxi.Frontend.Gnome.PreferencesDialog..ctor (Gtk.Window parent) [0x00a1b] in /builddir/build/BUILD/smuxi-1.0/src/Frontend-GNOME/Preferences/PreferencesDialog.cs:294 
  at Smuxi.Frontend.Gnome.MenuWidget.OnManageServerActionActivated (System.Object sender, System.EventArgs e) [0x00013] in /builddir/build/BUILD/smuxi-1.0/src/Frontend-GNOME/Views/MenuWidget.cs:278 

Packages:
dnf list installed | grep -iE "(smuxi|mono)"
dejavu-sans-mono-fonts.noarch 2.34-4.fc22 @System
gnu-free-mono-fonts.noarch 20120503-10.fc22 @System
liberation-mono-fonts.noarch 1:1.07.4-4.fc22 @System
libmonosgen-2_0-1.x86_64 4.0.1.44-0.xamarin.1 @System
mono-core.x86_64 4.0.1.44-0.xamarin.1 @System
mono-data.x86_64 4.0.1.44-0.xamarin.1 @System
mono-data-oracle.x86_64 4.0.1.44-0.xamarin.1 @System
mono-data-sqlite.x86_64 4.0.1.44-0.xamarin.1 @System
mono-devel.x86_64 4.0.1.44-0.xamarin.1 @System
mono-extras.x86_64 4.0.1.44-0.xamarin.1 @System
mono-mvc.x86_64 4.0.1.44-0.xamarin.1 @System
mono-wcf.x86_64 4.0.1.44-0.xamarin.1 @System
mono-web.x86_64 4.0.1.44-0.xamarin.1 @System
mono-winforms.x86_64 4.0.1.44-0.xamarin.1 @System
mono-winfxcore.x86_64 4.0.1.44-0.xamarin.1 @System
smuxi.x86_64 1.0-0.2.rc3.fc22 @System
smuxi-engine.x86_64 1.0-0.2.rc3.fc22 @System
smuxi-frontend-gnome.x86_64 1.0-0.2.rc3.fc22 @System
smuxi-frontend-stfl.x86_64 1.0-0.2.rc3.fc22 @System
wine-mono.noarch 4.5.6-2.fc22 @System