Jehoshaphat was dissatisfied. These men - creatures of Ahab, tainted with the worship of calves if not with Baal-worship - had promised victory, but not in the name of Yahweh. Jehoshaphat, therefore, asked, “Is there not here a true prophet of Yahweh besides these 400 professed prophets?”
Related Commentaries of 1 Kings 22:7
1 Kings 22:7
7 And Jehoshaphat said, Is there not here a prophet of the LORD besides, that we might enquire of him?