I figured out that the crash is because of builtData.
But it always crash no matter how I rebuild lighting.
I have to admit that UE4 is a worst platform to develop on.
Every update messes something completely randomly…
current stable version still bad because it has its own bugs.
Common 1.5years I am dealing with bugs and only half year wirh the actual game.
It is nonesense… it is the worst platform.
I really hate the day I picked it.
Platforms that are listed as supported are far away from being supported.
Bug fix I submitted 2 years ago still backlogged and is actually a release stopping bug.