Banshee crashs on start up

Binary package hint: banshee

Starting Banshee the following error occurs:

An unhandled exception was thrown: Method not found: 'Gtk.ComboBox.SetActiveIter'.

in (unmanaged) 0x80b09ff
at Banshee.Gui.ImportDialog..ctor (bool) <0x0007e>
at Banshee.PlayerUI.PromptForImport (bool) <0x0009c>
at Banshee.PlayerUI.PromptForImport () <0x0000c>
at <>c__CompilerGenerated3.<>c__AnonymousMethod20 (object,System.EventArgs) <0x00010>
at (wrapper delegate-invoke) System.MulticastDelegate.invoke_void_object_EventArgs (object,System.EventArgs) <0x0003e>
at InvokeCB.Invoke () <0x0001a>
at (wrapper delegate-invoke) System.MulticastDelegate.invoke_bool () <0x0002c>
at TimeoutProxy.Handler () <0x0002a>
at (wrapper native-to-managed) TimeoutProxy.Handler () <0x00036>
in (unmanaged) 0xb7f563c5
at (wrapper managed-to-native) Gtk.Application.gtk_main () <0x00004>
at Gtk.Application.Run () <0x00007>
at Gnome.Program.Run () <0x00007>
at Banshee.BansheeEntry.Startup (string[]) <0x007f4>
at (wrapper delegate-invoke) System.MulticastDelegate.invoke_void_string[] (string[]) <0x00037>
at Banshee.Gui.CleanRoomStartup.Startup (Banshee.Gui.CleanRoomStartup/StartupInvocationHandler,string[]) <0x000ae>

.NET Version: 2.0.50727.42

Assembly Version Information:

System.Configuration (2.0.0.0)
glade-sharp (2.10.0.0)
Boo.Lang.Compiler (1.0.0.0)
Banshee.Plugins.Recommendation (0.12.1.12341)
Banshee.Plugins.Radio (0.12.1.12340)
Banshee.Plugins.Podcast (0.12.1.12339)
Banshee.Plugins.NotificationAreaIcon (0.12.1.12337)
Banshee.Plugins.MiniMode (0.12.1.12336)
Banshee.Plugins.MetadataSearch (0.12.1.12335)
Banshee.Plugins.MMKeys (0.12.1.12336)
Banshee.Plugins.Audioscrobbler (0.12.1.12332)
njb-sharp (0.3.0.27013)
Banshee.Dap.Njb (0.12.1.12331)
gnome-vfs-sharp (2.16.0.0)
Banshee.Dap.MassStorage (0.12.1.12331)
ipod-sharp (0.0.1.0)
Banshee.Dap.Ipod (0.12.1.12330)
Banshee.MediaEngine.GStreamer (0.12.1.12329)
System.Xml (2.0.0.0)
System.Transactions (2.0.0.0)
gconf-sharp (2.16.0.0)
System.Data (2.0.0.0)
Mono.Data.SqliteClient (2.0.0.0)
pango-sharp (2.10.0.0)
Mono.Cairo (2.0.0.0)
Hal (0.0.0.0)
Banshee.Widgets (0.12.1.12322)
Last.FM (0.0.0.0)
NDesk.DBus (1.0.0.0)
Mono.Posix (2.0.0.0)
NDesk.DBus.GLib (1.0.0.0)
gnome-sharp (2.16.0.0)
gdk-sharp (2.10.0.0)
System (2.0.0.0)
atk-sharp (2.10.0.0)
glib-sharp (2.10.0.0)
gtk-sharp (2.10.0.0)
Banshee.Base (0.12.1.12326)
banshee (0.12.1.12328)
mscorlib (2.0.0.0)

Platform Information: Linux 2.6.20-16-generic i686 unknown GNU/Linux

Disribution Information:

[/etc/debian_version]
4.0

[/etc/lsb-release]
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=7.04
DISTRIB_CODENAME=feisty
DISTRIB_DESCRIPTION="Ubuntu 7.04"

Closing the error messages closes also Banshee.