Complex sentence: Ecstatic Dance at Kalani Honua was a "community created" event until 2009, when the Kalani Honua who owned the buildings Ecstatic Dance, took de facto ownership of the event by ending the agreement to allow the Founders to host the event at that location.
Split into simpler sentences: Ecstatic Dance at Kalani Honua was a "community created" event until 2009. In 2009, management of Kalani Honua, took de facto ownership of the event by terminating the agreement which allowed the Founders to host the event at that location.