Contradiction with Judges 8:1
Ephraim is criticized for their lack of initial participation, contrasting their positive mention in Judges 5:14.
Judges 8:1: And the men of Ephraim said unto him, Why hast thou served us thus, that thou calledst us not, when thou wentest to fight with the Midianites? And they did chide with him sharply. [Why...: Heb. What thing is this thou hast done unto us] [sharply: Heb. strongly]
Contradiction with Judges 20:21-22
Benjamin fighting against other Israelites contradicts their supportive role implied in Judges 5:14.
Judges 20:21-22: And the children of Benjamin came forth out of Gibeah, and destroyed down to the ground of the Israelites that day twenty and two thousand men.