Contradiction with Colossians 2:3
Proverbs 30:3 states a lack of wisdom and knowledge; Colossians 2:3 declares that all treasures of wisdom and knowledge are hidden in Christ, implying completeness in Him.
Colossians 2:3: In whom are hid all the treasures of wisdom and knowledge. [In whom: or, Wherein]
Contradiction with 1 Corinthians 1:30
Proverbs 30:3 mentions not learning wisdom; 1 Corinthians 1:30 shows Christ as the source of wisdom for believers, implying that wisdom can be received.
1 Corinthians 1:30: But of him are ye in Christ Jesus, who of God is made unto us wisdom, and righteousness, and sanctification, and redemption:
Contradiction with James 1:5
Proverbs 30:3 speaks of not having wisdom; James 1:5 promises that God gives wisdom to anyone who asks for it.
James 1:5: If any of you lack wisdom, let him ask of God, that giveth to all [men] liberally, and upbraideth not; and it shall be given him.
Contradiction with Proverbs 2:6
Proverbs 30:3 claims no knowledge of the holy; Proverbs 2:6 states that the LORD gives knowledge and wisdom.
Proverbs 2:6: For the LORD giveth wisdom: out of his mouth [cometh] knowledge and understanding.