Contradiction with Joshua 6:3
Nehemiah 12:37 speaks of a procession on the wall, while Joshua 6:3 describes marching around a city before its walls fall, showing contrasting outcomes.
Joshua 6:3: And ye shall compass the city, all [ye] men of war, [and] go round about the city once. Thus shalt thou do six days.
Contradiction with 2 Kings 25:10
Nehemiah 12:37 describes a celebration on a wall, whereas 2 Kings 25:10 talks about the breaking down of Jerusalem's walls.
2 Kings 25:10: And all the army of the Chaldees, that [were with] the captain of the guard, brake down the walls of Jerusalem round about.
Contradiction with Psalm 51:18
Nehemiah 12:37 shows the walls being a place of joy, while Psalm 51:18 reflects on needing God's favor to build the walls, indicating a past brokenness.
Psalm 51:18: Do good in thy good pleasure unto Zion: build thou the walls of Jerusalem.
Contradiction with Lamentations 2:8
Nehemiah 12:37 depicts a joyful event on the wall, contradicting Lamentations 2:8, which speaks of walls as symbols of desolation and destruction.
Lamentations 2:8: The LORD hath purposed to destroy the wall of the daughter of Zion: he hath stretched out a line, he hath not withdrawn his hand from destroying: therefore he made the rampart and the wall to lament; they languished together. [destroying: Heb. swallowing up]
Contradiction with Amos 1:7
Nehemiah 12:37 shows people atop the wall, celebrating, unlike Amos 1:7, which prophesies fire on the wall, indicating judgment.
Amos 1:7: But I will send a fire on the wall of Gaza, which shall devour the palaces thereof: