Many a forger has apparently had problems with objects that are set to spawn later in the game not appearing when they are supposed to.
This can be a very large issue especially if it's something like a roof, a floor, or even a wall enclosing the map that is not spawning.
If you seem to be experiencing this painful and frustrating problem (I know I was) then I would suggest you head on over here:
In there is discussion over which methods work the best along with one confirmed fix to the problem.
Here's what some have said about this phenomenal breakthrough:
wow it sounds like I have two possible fixes now, both of which should not be very painful!
thank you!
Thank you, because this really and truly saved my map. So ridiculous too.
Happy Forging Forge Hub,
Organite