Contradiction with Genesis 1:31
Psalms 50:1 describes God summoning the earth, whereas Genesis 1:31 says that God saw everything He made and declared it very good, which doesn't imply summoning for judgment.
Genesis 1:31: And God saw every thing that he had made, and, behold, [it was] very good. And the evening and the morning were the sixth day. [And the evening...: Heb. And the evening was, and the morning was etc.]
Contradiction with John 3:17
Psalms 50:1 conveys a sense of God calling forth judgment, while John 3:17 states that God did not send His Son to condemn the world, highlighting salvation rather than judgment.
John 3:17: For God sent not his Son into the world to condemn the world; but that the world through him might be saved.
Contradiction with Psalm 103:8
Psalms 50:1 implies judgment, while Psalm 103:8 emphasizes God's mercy, graciousness, and slowness to anger.
Psalm 103:8: The LORD [is] merciful and gracious, slow to anger, and plenteous in mercy. [plentious...: Heb. great in mercy]
Contradiction with James 1:13
Psalms 50:1 speaks of God summoning the earth, potentially for judgment, whereas James 1:13 indicates that God tempts no one, implying a different aspect of God's relationship with the world.
James 1:13: Let no man say when he is tempted, I am tempted of God: for God cannot be tempted with evil, neither tempteth he any man: [evil: or, evils]
Contradiction with Ezekiel 18:32
Psalms 50:1 speaks to God's dominion and judgment, while Ezekiel 18:32 expresses God's desire for the wicked to live rather than desiring judgment or death.
Ezekiel 18:32: For I have no pleasure in the death of him that dieth, saith the Lord GOD: wherefore turn [yourselves], and live ye. [yourselves: or, others]