Contradiction with 1 Samuel 13:8
This verse mentions Saul reigning over Israel, contradicting the idea of continued unified leadership under Joshua.
1 Samuel 13:8: And he tarried seven days, according to the set time that Samuel [had appointed]: but Samuel came not to Gilgal; and the people were scattered from him.
Contradiction with Numbers 14:33
This verse discusses the Israelites wandering for 40 years, contrasting with the settled victories over kings as reported in Joshua 12:24.
Numbers 14:33: And your children shall wander in the wilderness forty years, and bear your whoredoms, until your carcases be wasted in the wilderness. [wander: or, feed]
Contradiction with Judges 2:21
This verse states that some nations were not driven out, contradicting the completeness of conquest implied in Joshua 12:24.
Judges 2:21: I also will not henceforth drive out any from before them of the nations which Joshua left when he died:
Contradiction with Judges 3:1-2
This indicates that nations were left to teach warfare, conflicting with the total defeat of kings described in Joshua 12:24.
Judges 3:1-2: Now these [are] the nations which the LORD left, to prove Israel by them, [even] as many [of Israel] as had not known all the wars of Canaan;