Contradiction with Joshua 21:13
It lists the cities given to the sons of Aaron, including Hebron, but mentions its suburbs differently.
Joshua 21:13: Thus they gave to the children of Aaron the priest Hebron with her suburbs, [to be] a city of refuge for the slayer; and Libnah with her suburbs,
Contradiction with 2 Samuel 2:11
States Hebron was not just given to the Levites but also significant as David's royal seat for several years.
2 Samuel 2:11: And the time that David was king in Hebron over the house of Judah was seven years and six months. [time: Heb. number of days]