This Bible contradiction is from the Skeptic's Annotated Bible.
Before visiting the land of Padanaram
Genesis 28:18-19 View context
And Jacob rose up early in the morning, and took the stone that he had put [for] his pillows, and set it up [for] a pillar, and poured oil upon the top of it.
And he called the name of that place Beth-el: but the name of that city [was called] Luz at the first.
After visiting the land of Padanaram
Genesis 33:18 View context
And Jacob came to Shalem, a city of Shechem, which [is] in the land of Canaan, when he came from Padan-aram; and pitched his tent before the city.
Genesis 35:6-7 View context
So Jacob came to Luz, which [is] in the land of Canaan, that [is], Beth-el, he and all the people that [were] with him.
And he built there an altar, and called the place El-beth-el: because there God appeared unto him, when he fled from the face of his brother.