Contradiction with 1 Samuel 15:3
Contradicts by ordering destruction of everything from Amalek, while 1 Chronicles 26:28 includes things taken in war as dedicated offerings.
1 Samuel 15:3: Now go and smite Amalek, and utterly destroy all that they have, and spare them not; but slay both man and woman, infant and suckling, ox and sheep, camel and ass.
Contradiction with 2 Samuel 8:11
Narrates David dedicating spoils of war to the Lord, similar concept to 1 Chronicles 26:28, but stresses David's personal role.
2 Samuel 8:11: Which also king David did dedicate unto the LORD, with the silver and gold that he had dedicated of all nations which he subdued;
Contradiction with 1 Kings 15:15
Highlights dedicated items being brought back into the house of the Lord by Asa, whereas 1 Chronicles 26:28 involves multiple leaders and items.
1 Kings 15:15: And he brought in the things which his father had dedicated, and the things which himself had dedicated, into the house of the LORD, silver, and gold, and vessels. [things: Heb. holy]