Contradiction with Deuteronomy 17:17
This verse advises kings not to multiply wives for themselves, while 2 Chronicles 13:21 mentions Abijah increasing his number of wives.
Deuteronomy 17:17: Neither shall he multiply wives to himself, that his heart turn not away: neither shall he greatly multiply to himself silver and gold.
Contradiction with 1 Kings 11:4
This verse states that having many wives turned Solomon's heart away from God, implying a negative view of polygamy, contrasting with the neutral tone in 2 Chronicles 13:21.
1 Kings 11:4: For it came to pass, when Solomon was old, [that] his wives turned away his heart after other gods: and his heart was not perfect with the LORD his God, as [was] the heart of David his father.
Contradiction with Matthew 19:4-6
These verses describe the ideal of monogamy as established at creation, which contrasts with the mention of Abijah having many wives.
Matthew 19:4-6: And he answered and said unto them, Have ye not read, that he which made [them] at the beginning made them male and female,