Contradiction with 1 Kings 7:51
It describes Solomon as the one who brought in the dedicated things into the treasury of the house of the Lord, differing from the roles outlined in 1 Chronicles 26:20.
1 Kings 7:51: So was ended all the work that king Solomon made for the house of the LORD. And Solomon brought in the things which David his father had dedicated; [even] the silver, and the gold, and the vessels, did he put among the treasures of the house of the LORD. [things...: Heb. holy things of David]
Contradiction with 2 Chronicles 31:5
This verse indicates the offerings were brought directly by the Israelites in heaps rather than being handled by the Levites as specified in 1 Chronicles 26:20.
2 Chronicles 31:5: And as soon as the commandment came abroad, the children of Israel brought in abundance the firstfruits of corn, wine, and oil, and honey, and of all the increase of the field; and the tithe of all [things] brought they in abundantly. [came...: Heb. brake forth] [honey: or, dates]