Contradiction with Deuteronomy 10:2
This verse contradicts Exodus 25:16 by describing the creation of new stone tablets, whereas Exodus 25:16 refers to placing the original stone tablets into the ark.
Deuteronomy 10:2: And I will write on the tables the words that were in the first tables which thou brakest, and thou shalt put them in the ark.
Contradiction with Jeremiah 31:31-33
These verses contradict Exodus 25:16 by introducing a new covenant written on the heart, implying a move away from the law contained in the tablets within the ark.
Jeremiah 31:31-33: Behold, the days come, saith the LORD, that I will make a new covenant with the house of Israel, and with the house of Judah:
Contradiction with Hebrews 8:7-13
This passage contradicts Exodus 25:16 by stating that the first covenant is obsolete and being replaced, implying that what is placed inside the ark is no longer applicable.
Hebrews 8:7-13: For if that first [covenant] had been faultless, then should no place have been sought for the second.