UE_5.7 all is black After crash

Summary

What happened:

  1. I packaged my game
  2. I clicked on show output log while packaging
  3. freeze and crash
  4. I open the project and all is black
  5. I tried to fix it with sky light and stuff and only the background is like the sky the map and it’s meshes are there but all black
  6. I unlit the map and I saw some of the meshes
  7. I opened some meshes and saw them with all their materials like it should be
  8. I gave up and came here.

What type of bug are you experiencing?

Other

Steps to Reproduce

Package game and open in 5.7 outputlog or something

Expected Result

Crash and after that all is black

Observed Result

Freezes the pc and ue5 crashed

Platform

Firefox

Operating System

Windows