Contradiction with Ecclesiastes 7:16
This verse suggests not to be overly righteous, which could contradict the notion of constantly declaring the righteousness and faithfulness of God as in Psalms 92:2.
Ecclesiastes 7:16: Be not righteous over much; neither make thyself over wise: why shouldest thou destroy thyself? [destroy...: Heb. be desolate?]
Contradiction with Matthew 6:6
This verse emphasizes praying in private, which could be seen as contradictory to the public declaration aspect of Psalms 92:2.
Matthew 6:6: But thou, when thou prayest, enter into thy closet, and when thou hast shut thy door, pray to thy Father which is in secret; and thy Father which seeth in secret shall reward thee openly.
Contradiction with 1 Kings 18:27
Elijah mocks the prophets of Baal, which contrasts with the idea of declaring God’s faithfulness without such skepticism or mocking, as in Psalms 92:2.
1 Kings 18:27: And it came to pass at noon, that Elijah mocked them, and said, Cry aloud: for he [is] a god; either he is talking, or he is pursuing, or he is in a journey, [or] peradventure he sleepeth, and must be awaked. [aloud: Heb. with a great voice] [he is talking: or, he meditateth] [is pursuing: Heb. hath a pursuit]
Contradiction with James 4:13-14
This verse advises not to boast about tomorrow, which potentially contradicts the continual declaration of God's plans in the morning and night as in Psalms 92:2.
James 4:13-14: Go to now, ye that say, To day or to morrow we will go into such a city, and continue there a year, and buy and sell, and get gain: