Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/gajim/common/xmpp/idlequeue.py", line 533, in _process_events
    return IdleQueue._process_events(self, fd, flags)
  File "/usr/lib/python2.7/site-packages/gajim/common/xmpp/idlequeue.py", line 394, in _process_events
    obj.pollin()
  File "/usr/lib/python2.7/site-packages/gajim/common/xmpp/transports_nb.py", line 414, in pollin
    self._do_receive()
  File "/usr/lib/python2.7/site-packages/gajim/common/xmpp/transports_nb.py", line 600, in _do_receive
    self._on_receive(received)
  File "/usr/lib/python2.7/site-packages/gajim/common/xmpp/transports_nb.py", line 614, in _on_receive
    self.on_receive(data)
  File "/usr/lib/python2.7/site-packages/gajim/common/xmpp/dispatcher_nb.py", line 452, in dispatch
    handler['func'](session, stanza)
  File "/usr/lib/python2.7/site-packages/gajim/common/connection_handlers.py", line 1619, in _messageCB
    jid, invite, tim)
  File "/usr/lib/python2.7/site-packages/gajim/common/connection_handlers.py", line 1627, in _on_message_decrypted
    self.dispatch_gc_message(msg, frm, msgtxt, jid, tim)
  File "/usr/lib/python2.7/site-packages/gajim/common/connection_handlers.py", line 1759, in dispatch_gc_message
    msg.getXHTML(), statusCode, displaymarking, captcha))
  File "/usr/lib/python2.7/site-packages/gajim/common/connection.py", line 177, in dispatch
    gajim.ged.raise_event(event, self.name, data)
  File "/usr/lib/python2.7/site-packages/gajim/common/ged.py", line 67, in raise_event
    handler(*args, **kwargs)
  File "/usr/lib/python2.7/site-packages/gajim/gui_interface.py", line 988, in handle_event_gc_msg
    displaymarking=array[6], captcha=array[7])
  File "/usr/lib/python2.7/site-packages/gajim/groupchat_control.py", line 859, in on_message
    self.print_old_conversation(msg, nick, tim, None, displaymarking=displaymarking)
  File "/usr/lib/python2.7/site-packages/gajim/groupchat_control.py", line 931, in print_old_conversation
    displaymarking=displaymarking)
  File "/usr/lib/python2.7/site-packages/gajim/chat_control.py", line 846, in print_conversation_line
    displaymarking=displaymarking)
  File "/usr/lib/python2.7/site-packages/gajim/conversation_textview.py", line 1237, in print_conversation_line
    timestamp_str = self.get_time_to_show(tim)
  File "/usr/lib/python2.7/site-packages/gajim/conversation_textview.py", line 1310, in get_time_to_show
    diff_day, {'nb_days': diff_day}, {'nb_days': diff_day})
  File "/usr/lib/python2.7/site-packages/gajim/common/i18n.py", line 101, in ngettext
    text = text % replace_plural
TypeError: %d format: a number is required, not dict