Contradiction with Genesis 11:6-7
Contradicts the idea of God's stable order by describing confusion of languages.
Genesis 11:6-7: And the LORD said, Behold, the people [is] one, and they have all one language; and this they begin to do: and now nothing will be restrained from them, which they have imagined to do.
Contradiction with 1 Samuel 15:11
God regrets making Saul king, indicating change, unlike the stable depiction in Psalms.
1 Samuel 15:11: It repenteth me that I have set up Saul [to be] king: for he is turned back from following me, and hath not performed my commandments. And it grieved Samuel; and he cried unto the LORD all night.
Contradiction with Malachi 3:6
States God does not change, while Psalms 68:33 speaks of His active command over creation.
Malachi 3:6: For I [am] the LORD, I change not; therefore ye sons of Jacob are not consumed.
Contradiction with James 1:17
Implies immutability of God, contrasting with Psalms' depiction of God's active engagement.
James 1:17: Every good gift and every perfect gift is from above, and cometh down from the Father of lights, with whom is no variableness, neither shadow of turning.