I'm sorry, there is no such page as event_calendar/group/106/2014-02-01/event_calendar/group/event_calendar/group/106/2014-02-01/event_calendar/group/106.
No other page links to event_calendar/group/106/2014-02-01/event_calendar/group/event_calendar/group/106/2014-02-01/event_calendar/group/106 yet.
Notice: 'event_calendar/group/106/2014-02-01/event_calendar/group/event_calendar/group/106/2014-02-01/event_calendar/group/106': Bad page name: too long