#25 mCatalog 0.1 does not start

[Mathieu Doidy]

mcatalog-0.1 does not start :

:: mcatalog

DB:Catalogs
DB:GetItems: books
DB:GetCatalogOrder: books
DB:GetItems: films
DB:GetCatalogOrder: films

(mCatalog:25046): GLib-GObject-WARNING **:
gtype.c:3351: type id `0' is invalid

(mCatalog:25046): GLib-GObject-WARNING **: can't peek
value table for type `<invalid>' which is not currently
referenced

(mCatalog:25046): GLib-GObject-WARNING **: gvalue.c:96:
cannot initialize GValue with type `(null)', this type
has no GTypeValueTable implementation

(mCatalog:25046): GLib-GObject-WARNING **: unable to
set property `text' of type `gchararray' from value of
type `(null)'

(mCatalog:25046): GLib-GObject-WARNING **:
gtype.c:3351: type id `0' is invalid

(mCatalog:25046): GLib-GObject-WARNING **: can't peek
value table for type `<invalid>' which is not currently
referenced

Unhandled Exception: System.NullReferenceException:
Object reference not set to an instance of an object
in (unmanaged) (wrapper managed-to-native)
Gtk.TreeSelection:gtk_tree_selection_select_path
(intptr,intptr)
in <0x00004> (wrapper managed-to-native)
Gtk.TreeSelection:gtk_tree_selection_select_path
(intptr,intptr)
in <0x0002f> Gtk.TreeSelection:SelectPath (Gtk.TreePath)
in <0x00058> CatalogList:SetSelectedCatalog (int)
in <0x003c5> GladeApp:PopulateCatalogs ()
in <0x00bec> GladeApp:.ctor (string[])
in <0x00020> GladeApp:Main (string[])