Parallel
2 Chronicles 5:10
King James Version (1769 Blayney revision, with Apocrypha) · Berean Standard Bible
There was nothing in the ark save the two tables which Moses put therein at Horeb, when (note: Or, where) the Lord made a covenant with the children of Israel, when they came out of Egypt.
There was nothing in the ark except the two tablets that Moses had placed in it at Horeb (note: That is, Mount Sinai, or possibly a mountain in the range containing Mount Sinai), where the LORD had made a covenant with the Israelites after they had come out of Egypt.