Been working on a personal Breezehome mod on and off for a looong time, learning more about modding as I've gone along. I just learned it's very bad to delete vanilla navmesh! Good times.
So IIRC, I deleted all the vanilla Breezehome indoor navmesh and built my own. I know it's possible to fix deleted navmesh - but I read that if all the navmesh in a cell is deleted, it removes all references to the vanilla navmesh. Then when you create your own fresh navmesh, CK will assign it a different reference ID, and then it's insta-CTD when that cell opens.
Is this even close to being correct? Is there a way to revert and entire cell's navmesh back to vanilla? Or do I have to rebuild this mod from the ground up?