Contradiction with 2 Kings 9:10
Jezreel is not built up by Solomon, contrasting the territories Solomon fortified per 2 Chronicles 8:4.
2 Kings 9:10: And the dogs shall eat Jezebel in the portion of Jezreel, and [there shall be] none to bury [her]. And he opened the door, and fled.
Contradiction with Genesis 13:15
The land was given to Abram, not Solomonic expansion, conflicting with 2 Chronicles 8:4's account of Solomon's construction.
Genesis 13:15: For all the land which thou seest, to thee will I give it, and to thy seed for ever.
Contradiction with Deuteronomy 3:18
The land was assigned differently in Mosaic law, which can contradict Solomon's fortifications in 2 Chronicles 8:4.
Deuteronomy 3:18: And I commanded you at that time, saying, The LORD your God hath given you this land to possess it: ye shall pass over armed before your brethren the children of Israel, all [that are] meet for the war. [meet...: Heb. sons of power]
Contradiction with Joshua 19:28-29
These verses outline different tribal inheritances, which can conflict with Solomon's building in 2 Chronicles 8:4.
Joshua 19:28-29: And Hebron, and Rehob, and Hammon, and Kanah, [even] unto great Zidon;