Contradiction with John 18:36
This verse suggests a spiritual kingdom not of this world, whereas Psalms 2:6 refers to a physical king set by God on Zion.
John 18:36: Jesus answered, My kingdom is not of this world: if my kingdom were of this world, then would my servants fight, that I should not be delivered to the Jews: but now is my kingdom not from hence.
Contradiction with Luke 17:21
This verse indicates the kingdom of God is within, contrasting with the external political reign implied in Psalms 2:6.
Luke 17:21: Neither shall they say, Lo here! or, lo there! for, behold, the kingdom of God is within you. [within you: or, among you]
Contradiction with Romans 14:17
This verse denotes that the kingdom of God is about righteousness, peace, and joy in the Holy Ghost, not centered on a physical location like Zion.
Romans 14:17: For the kingdom of God is not meat and drink; but righteousness, and peace, and joy in the Holy Ghost.
Contradiction with John 6:15
Jesus avoids earthly kingship, contrasting with the idea of God setting a ruler on Zion in Psalms 2:6.
John 6:15: When Jesus therefore perceived that they would come and take him by force, to make him a king, he departed again into a mountain himself alone.