Contradiction with Jeremiah 36:32
Jeremiah rewrites the scroll that had been burned, suggesting that scripture can be re-recorded or added to after the initial completion.
Jeremiah 36:32: Then took Jeremiah another roll, and gave it to Baruch the scribe, the son of Neriah; who wrote therein from the mouth of Jeremiah all the words of the book which Jehoiakim king of Judah had burned in the fire: and there were added besides unto them many like words. [like: Heb. as they]
Contradiction with Revelation 22:18-19
This passage warns against adding or taking away words from the book, implying the completeness and unchangeability of scripture, which contrasts with the idea of completing and adding to the book as Moses did.
Revelation 22:18-19: For I testify unto every man that heareth the words of the prophecy of this book, If any man shall add unto these things, God shall add unto him the plagues that are written in this book:
Contradiction with 2 Timothy 3:16-17
This suggests all scripture is complete and sufficient for teaching, whereas Deuteronomy 31:24 notes a point of completion, suggesting a possibility of incremental additions prior to this statement.
2 Timothy 3:16-17: All scripture [is] given by inspiration of God, and [is] profitable for doctrine, for reproof, for correction, for instruction in righteousness:
Contradiction with Proverbs 30:5-6
States that every word of God is pure and warns against adding to His words, which contradicts the notion of completing and potentially editing the book as mentioned in Deuteronomy 31:24.
Proverbs 30:5-6: Every word of God [is] pure: he [is] a shield unto them that put their trust in him. [pure: Heb. purified]