Contradiction with Genesis 18:1
Genesis 17:3 shows God speaking directly to Abram, whereas Genesis 18:1 describes God appearing to Abraham more indirectly through three men.
Genesis 18:1: And the LORD appeared unto him in the plains of Mamre: and he sat in the tent door in the heat of the day; [plain: Heb. plains]
Contradiction with Exodus 33:20
Genesis 17:3 implies a direct encounter with God, but Exodus 33:20 states that no one can see God's face and live.
Exodus 33:20: And he said, Thou canst not see my face: for there shall no man see me, and live.
Contradiction with John 1:18
This verse states that no one has seen God at any time, besides the only begotten Son, contradicting the encounter in Genesis 17:3.
John 1:18: No man hath seen God at any time; the only begotten Son, which is in the bosom of the Father, he hath declared [him].
Contradiction with 1 Timothy 6:16
Asserts God dwells in unapproachable light, whom no one has seen or can see, contradicting the direct presence in Genesis 17:3.
1 Timothy 6:16: Who only hath immortality, dwelling in the light which no man can approach unto; whom no man hath seen, nor can see: to whom [be] honour and power everlasting. Amen.
Contradiction with 1 John 4:12
Declares that no one has ever seen God, contrasting with the encounter described in Genesis 17:3.
1 John 4:12: No man hath seen God at any time. If we love one another, God dwelleth in us, and his love is perfected in us.