Contradiction with Genesis 32:30
Genesis 32:29 states Jacob's name is not told, yet he names the place Peniel, saying he saw God face to face and lived.
Genesis 32:30: And Jacob called the name of the place Peniel: for I have seen God face to face, and my life is preserved. [Peniel: that is, The face of God]
Contradiction with Judges 13:18
Manoah is told that God's name is secret, contrasting Genesis 32:29 where Jacob is not told the name but the identity is implied.
Judges 13:18: And the angel of the LORD said unto him, Why askest thou thus after my name, seeing it [is] secret? [secret: or, wonderful]