Not only will the altar less church be weak and spiritually impotent, but ultimately the church without an altar will falter.
1 King 18:14-30
Ahab the king of Israel meets Elijah with these words: Art thou he that troubeleth Israel?
Trouble=) stir up, disturb To agitate; 2. To afflict with pain or discomfort. 3. To cause mental agitation or distress
This shows you how far Israel had fallen from Gods divine presence