GLib-GObject-CRITICAL **: g_boxed_type_register_static: assertion `g_type_from_name (name) == 0' failed at C:/strawberry/perl/lib/DynaLoader.pm line 210. cannot register alias Gtk2::Pango::Attribute for the unregistered type (null) at C:/strawberry/perl/lib/DynaLoader.pm line 210. Compilation failed in require at script/simple.pl line 12. BEGIN failed--compilation aborted at script/simple.pl line 12.