gtg 1.9 crashes during start

The gtg 1.9 deb from the gtg website crashes in Debian Lenny during startup with the following error:

$ gtg
gtg is already running!
Traceback (most recent call last):
  File "/usr/bin/gtg", line 40, in <module>
    sys.exit(GTG.gtg.main(options, args))
  File "/usr/share/gtg/GTG/gtg.py", line 106, in main
    check_instance(config.DATA_DIR)
  File "/usr/share/gtg/GTG/gtg.py", line 82, in check_instance
    CoreConfig.BUSINTERFACE)
  File "/usr/lib/pymodules/python2.5/dbus/bus.py", line 244, in get_object
    follow_name_owner_changes=follow_name_owner_changes)
  File "/usr/lib/pymodules/python2.5/dbus/proxies.py", line 241, in __init__
    self._named_service = conn.activate_name_owner(bus_name)
  File "/usr/lib/pymodules/python2.5/dbus/bus.py", line 183, in activate_name_owner
    self.start_service_by_name(bus_name)
  File "/usr/lib/pymodules/python2.5/dbus/bus.py", line 281, in start_service_by_name
    'su', (bus_name, flags)))
  File "/usr/lib/pymodules/python2.5/dbus/connection.py", line 607, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.ServiceUnknown: The name org.GTG was not provided by any .service files

As root:
# gtg
Traceback (most recent call last):
  File "/usr/bin/gtg", line 40, in <module>
    sys.exit(GTG.gtg.main(options, args))
  File "/usr/share/gtg/GTG/gtg.py", line 120, in main
    tb = TaskBrowser(req, config, logger=logger)
  File "/usr/share/gtg/GTG/taskbrowser/browser.py", line 112, in __init__
    self.builder.add_from_file(GnomeConfig.GLADE_FILE)
gobject.GError: Unhandled tag: 'requires'

The Debian Sid packages gives the following error:

$ gtg
Traceback (most recent call last):
  File "/usr/bin/gtg", line 40, in <module>
    sys.exit(GTG.gtg.main(options, args))
  File "/usr/share/gtg/GTG/gtg.py", line 120, in main
    tb = TaskBrowser(req, config, logger=logger)
  File "/usr/share/gtg/GTG/taskbrowser/browser.py", line 112, in
__init__
    self.builder.add_from_file(GnomeConfig.GLADE_FILE)
gobject.GError: Unhandled tag: 'requires'