Contradiction with Proverbs 24:17
This verse advises against rejoicing when your enemy falls, which can contrast with the hatred and disdain towards evil and wrongdoers implied in Psalms 97:10.
Proverbs 24:17: Rejoice not when thine enemy falleth, and let not thine heart be glad when he stumbleth:
Contradiction with Matthew 5:44
Advises to love your enemies, which contrasts with the sentiment of hating evil and those who do evil in Psalms 97:10.
Matthew 5:44: But I say unto you, Love your enemies, bless them that curse you, do good to them that hate you, and pray for them which despitefully use you, and persecute you;
Contradiction with Romans 12:19
Encourages leaving vengeance to God, contrasting with the proactive stance against evil suggested in Psalms 97:10.
Romans 12:19: Dearly beloved, avenge not yourselves, but [rather] give place unto wrath: for it is written, Vengeance [is] mine; I will repay, saith the Lord.