[The test scenes most likely contain outdated HLOD setups]
So on latest - todays build - I loaded up the vehicle demo that contains lods and got the crash consistently.
To reproduce this issue.
- create a new project
- add the vehicle demo
- go to [build] build all levels
- Choose to build or delete the lods (pop up window)
- Consistent Crash.
Possibly an outdated method to generate the lod’s that remains in the test scenes.
Especially since the system works on some maps. e.g Matrix Demo (Which built for me, don’t ask me how long it took 
)
I would like to learn more about how the hlod’s should be setup post beta, if you have any clue or links, please reply !