Comment 3 for bug 133990

Still an issue in Gutsy.

Running muine from terminal, I get lots and lots of:
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(muine:6587): Gtk-CRITICAL **: gtk_tree_model_row_inserted: assertion `path != NULL' failed
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Then:
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(muine:6587): libmuine-CRITICAL **: g_sequence_ptr_get_data: assertion `!ptr->is_end' failed
Exception in Gtk# callback delegate
  Note: Applications can use GLib.ExceptionManager.UnhandledException to handle the exception.
System.NullReferenceException: A null value was found where an object instance was required.
  at Muine.AddAlbumWindow.GetCoverImage (Muine.Album album) [0x00000]
  at Muine.AddAlbumWindow.SetCoverImage (Gtk.CellRendererPixbuf cell, TreeIter iter) [0x00000]
  at Muine.AddAlbumWindow.PixbufCellDataFunc (Gtk.TreeViewColumn col, Gtk.CellRenderer cell, TreeModel model, TreeIter iter) [0x00000]
  at (wrapper delegate-invoke) System.MulticastDelegate:invoke_void_TreeViewColumn_CellRenderer_TreeModel_TreeIter (Gtk.TreeViewColumn,Gtk.CellRenderer,Gtk.TreeModel,Gtk.TreeIter)
  at GtkSharp.TreeCellDataFuncWrapper.NativeCallback (IntPtr tree_column, IntPtr cell, IntPtr tree_model, IntPtr iter, IntPtr data) [0x00000]

   at GLib.ExceptionManager.RaiseUnhandledException ()
   at GtkSharp.TreeCellDataFuncWrapper.NativeCallback ()
   at GtkSharp.TreeCellDataFuncWrapper.NativeCallback ()
   at Gtk.TreeView.gtk_tree_view_set_cursor ()
   at Gtk.TreeView.gtk_tree_view_set_cursor ()
   at Gtk.TreeView.SetCursor ()
   at Muine.HandleView.SelectFirst ()
   at Muine.AddWindow.Search ()
   at Muine.AddWindow.Reset ()
   at Muine.AddWindow.ResetFunc ()
   at System.MulticastDelegate.invoke_bool ()
   at GLib.Idle+IdleProxy.Handler ()
   at GLib.Idle+IdleProxy.Handler ()
   at Gtk.Application.gtk_main ()
   at Gtk.Application.gtk_main ()
   at Gtk.Application.Run ()
   at Muine.Global.Main ()
Real-time signal 1
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(equals signs for start & end of pastes from terminal)

It was running yesterday in Feisty when I dist-upgraded to 7.10, today it doesn't seem to start at all.