Contradiction with Joshua 16:4
This verse states that the border went out to the sea, while Joshua 16:8 indicates it goes along a specific detail of territory.
Joshua 16:4: So the children of Joseph, Manasseh and Ephraim, took their inheritance.
Contradiction with Numbers 34:6
Describes the western border of the land as the Great Sea, contrasting with the detailed boundary given in Joshua 16:8.
Numbers 34:6: And [as for] the western border, ye shall even have the great sea for a border: this shall be your west border.
Contradiction with Deuteronomy 3:17
Lists Jordan River as a boundary, which does not align with the specific locations mentioned in Joshua 16:8.
Deuteronomy 3:17: The plain also, and Jordan, and the coast [thereof], from Chinnereth even unto the sea of the plain, [even] the salt sea, under Ashdothpisgah eastward. [Ashdothpisgah; or, the springs of Pisgah, or, the hill]
Contradiction with Ezekiel 47:20
Provides a different set of geographical boundaries for the land that doesn't match with the border described in Joshua 16:8.
Ezekiel 47:20: The west side also [shall be] the great sea from the border, till a man come over against Hamath. This [is] the west side.