Contradiction with Numbers 23:19
This verse states that God does not lie or repent, which could be seen as contradictory to the conditions associated with human behavior in 2 Chronicles 6:15.
Numbers 23:19: God [is] not a man, that he should lie; neither the son of man, that he should repent: hath he said, and shall he not do [it]? or hath he spoken, and shall he not make it good?
Contradiction with 1 Samuel 15:29
This verse emphasizes God's unchanging nature, which contrasts with the implication of change or conditions in 2 Chronicles 6:15.
1 Samuel 15:29: And also the Strength of Israel will not lie nor repent: for he [is] not a man, that he should repent. [Strength: or, Eternity, or, Victory]
Contradiction with Jeremiah 18:10
It suggests that God can change His mind regarding people's actions, which could be seen as conflicting with the conditional fulfillment mentioned in 2 Chronicles 6:15.
Jeremiah 18:10: If it do evil in my sight, that it obey not my voice, then I will repent of the good, wherewith I said I would benefit them.