Contradiction with Joshua 19:9
Joshua 19:24 assigns land to the tribe of Asher, while Joshua 19:9 describes how the tribe of Simeon received a portion of the land allocated to Judah.
Joshua 19:9: Out of the portion of the children of Judah [was] the inheritance of the children of Simeon: for the part of the children of Judah was too much for them: therefore the children of Simeon had their inheritance within the inheritance of them.
Contradiction with Joshua 1:6
Promises land to Israel without distinguishing specific tribal territories, while Joshua 19:24 specifies land particularly for the tribe of Asher.
Joshua 1:6: Be strong and of a good courage: for unto this people shalt thou divide for an inheritance the land, which I sware unto their fathers to give them. [unto this...: or, thou shalt cause this people to inherit the land, etc]
Contradiction with Joshua 13:1-2
Mentions incomplete conquests; Joshua 19:24 assigns land as if it was completely conquered.
Joshua 13:1-2: Now Joshua was old [and] stricken in years; and the LORD said unto him, Thou art old [and] stricken in years, and there remaineth yet very much land to be possessed. [to...: Heb. to possess it]
Contradiction with Deuteronomy 34:4
God promises land to Moses, seen later in Joshua 19:24 as allocations made under Joshua, potentially conflicting with the idea of a unified promise.
Deuteronomy 34:4: And the LORD said unto him, This [is] the land which I sware unto Abraham, unto Isaac, and unto Jacob, saying, I will give it unto thy seed: I have caused thee to see [it] with thine eyes, but thou shalt not go over thither.
Contradiction with Genesis 15:18-21
Promises a land much larger in scope than the smaller allotments given in Joshua 19:24.
Genesis 15:18-21: In the same day the LORD made a covenant with Abram, saying, Unto thy seed have I given this land, from the river of Egypt unto the great river, the river Euphrates:
Contradiction with Numbers 34:2
Provides borders that encompass broader territory than delineated in Joshua 19:24, where specific lands are parceled out.
Numbers 34:2: Command the children of Israel, and say unto them, When ye come into the land of Canaan; (this [is] the land that shall fall unto you for an inheritance, [even] the land of Canaan with the coasts thereof:)