Contradiction with Exodus 17:1
This verse places the Israelites at Rephidim where they encounter no water, contrasting with the arrival at the desert of Zin in Numbers 20:1 where Miriam dies.
Exodus 17:1: And all the congregation of the children of Israel journeyed from the wilderness of Sin, after their journeys, according to the commandment of the LORD, and pitched in Rephidim: and [there was] no water for the people to drink.
Contradiction with Numbers 33:36-38
These verses detail the death of Aaron on Mount Hor in the fortieth year of the Israelites' journey after leaving Egypt, implying a different timeline compared to Numbers 20:1, where the death of Miriam occurs.
Numbers 33:36-38: And they removed from Eziongaber, and pitched in the wilderness of Zin, which [is] Kadesh.