Complex sentence: The situation explodes when the Council finds out that Hamner has been making deals with Daala without the Order's knowledge and essentially ignore his orders and decide to break the blockade over the Temple and send their fighters to assist Luke in dealing with Abeloth and the Sith.
Split into simpler sentences: The situation explodes when the Council finds out that Hamner has been making deals with Daala without the Order's knowledge. They essentially ignore his orders, decide to break the blockade over the Temple, and send their fighters to assist Luke in dealing with Abeloth and the Sith.