Contradiction with 1 Samuel 31:12-13
Contradicts on the account of those involved as it's specified in 1 Samuel 31:11-13 that it was the valiant men of Jabesh-gilead who took the bodies of Saul and his sons, while 1 Chronicles 10:12 speaks of the inhabitants.
1 Samuel 31:12-13: All the valiant men arose, and went all night, and took the body of Saul and the bodies of his sons from the wall of Bethshan, and came to Jabesh, and burnt them there.
Contradiction with 2 Samuel 21:12-14
This passage discusses David retrieving the bones of Saul and Jonathan, which contradicts the narrative focus of 1 Chronicles 10:12 concerning the immediate actions taken by Jabesh-gilead's inhabitants after Saul's death.
2 Samuel 21:12-14: And David went and took the bones of Saul and the bones of Jonathan his son from the men of Jabeshgilead, which had stolen them from the street of Bethshan, where the Philistines had hanged them, when the Philistines had slain Saul in Gilboa: