blam won't start

Binary package hint: blam

$ blam
Unable to start D-Bus interface: org.freedesktop.DBus.Error.UnknownMethod: Method "ShowWindow" with signature "" on interface "org.gnome.Blam.Reader" doesn't exist

Unhandled Exception: System.TypeInitializationException: An exception was thrown by the type initializer for WebKit.WebView ---> System.DllNotFoundException: libwebkit-1.0.so.2
  at (wrapper managed-to-native) WebKit.Download:webkit_download_get_type ()
  at WebKit.Download.get_GType () [0x00000] in <filename unknown>:0
  at GtkSharp.WebkitSharp.ObjectManager.Initialize () [0x00000] in <filename unknown>:0
  at WebKit.WebView..cctor () [0x00000] in <filename unknown>:0
  --- End of inner exception stack trace ---
  at Imendio.Blam.ItemView..ctor () [0x00000] in <filename unknown>:0
  at Imendio.Blam.Application.PrepareGUI () [0x00000] in <filename unknown>:0
  at Imendio.Blam.Application..ctor (System.String[] args, System.Object[] props) [0x00000] in <filename unknown>:0
  at Imendio.Blam.Application.Main (System.String[] args) [0x00000] in <filename unknown>:0

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: blam 1.8.7-2ubuntu1
ProcVersionSignature: Ubuntu 2.6.37-12.26-generic 2.6.37
Uname: Linux 2.6.37-12-generic x86_64
Architecture: amd64
Date: Wed Jan 19 18:57:56 2011
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=de_DE.UTF-8
 LC_MESSAGES=en_US.utf8
 SHELL=/bin/bash
SourcePackage: blam