2 Chronicles 28:3 vs Genesis 22:2

How is the contradiction explained between 2 Chronicles 28:3 and Genesis 22:2 in the protestant tradition? **Genesis 22:2 NIV** > Then God said, “Take your son, your only son, whom you > love—Isaac—and go to the region of Moriah. Sacrifice him there as a > burnt offering on a mountain I will show you.” **2 Chronicles 28:3 NIV** > He burned sacrifices in the Valley of Ben Hinnom and sacrificed his > children in the fire, engaging in the detestable practices of the > nations the LORD had driven out before the Israelites.