No worries - it happens! Just break up the biscuits and cornbread into large crumbles on a baking sheet and place in an oven at 200 for 30ish minutes to stale and dry out and then proceed with the recipe. Do not skip the step of the bread needing to be stale - it is important! See the "Prepping Stale Bread" section under ingredients for different ways to make this ahead of time.