Contradiction with Joshua 15:9
The location descriptions differ for the region attributed to the tribes, suggesting a boundary inconsistency.
Joshua 15:9: And the border was drawn from the top of the hill unto the fountain of the water of Nephtoah, and went out to the cities of mount Ephron; and the border was drawn to Baalah, which [is] Kirjathjearim:
Contradiction with Judges 1:34
Describes the Amorites as forcing the children of Dan into the mountains, contradicting the idea of settled inheritance in Joshua 19:42.
Judges 1:34: And the Amorites forced the children of Dan into the mountain: for they would not suffer them to come down to the valley:
Contradiction with Judges 18:1
Suggests the tribe of Dan was still seeking an inheritance, implying they did not possess Zorah and Eshtaol as stated in Joshua 19:42.
Judges 18:1: In those days [there was] no king in Israel: and in those days the tribe of the Danites sought them an inheritance to dwell in; for unto that day [all their] inheritance had not fallen unto them among the tribes of Israel.