I have the same problem, but I did all the quests and now I'm stuck at "explore Skull Island" because I cannot get there without the materials from those 2 event maps. They never show up, no matter what I do. They show up in the unmodded game, though. But I already tried copying my save files over, and the modded version just ignores them and starts a new file. I don't know how to progress from here. Does anybody have any ideas?