OMG I finally got mine to work in single player don’t know about multi yet one step at a time… my issue was
I had to COOK with my map and that map doesn’t have the force load map on it
but I cooked as “cook game mod” and when I uploaded it worked everything is in game and I’m on the island with all the stuff I already crafted. Hope this helps someone else cause I’ve been banging my head on a brick wall for about 12 hours but I finally got it work SO EXCITED