MegaLights feedback thread

I opened my project as a copy in Unreal engine 5.5, and it works for a while with mega light enabled, but then unreal 5.5 closes and I can’t open it again. What could it be?

Computer:

RTX 4090

I9 generation 12

48GB RAM

Message:

LoginId:9a6bbc12425d311aaffc8190d4d9bf76

EpicAccountId:2b3f513183a14cff82d9d68cd6941c47

Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x0000000000000008

UnrealEditor_Renderer

UnrealEditor_Renderer

UnrealEditor_Renderer

UnrealEditor_Renderer

UnrealEditor_Renderer

UnrealEditor_RenderCore

UnrealEditor_RenderCore

UnrealEditor_Core

UnrealEditor_Core

UnrealEditor_Core

UnrealEditor_RenderCore

UnrealEditor_RenderCore

UnrealEditor_Core

UnrealEditor_Core

kernel32

ntdll

Final log:

ErrorCode=[errors.com.epicgames.common.insufficient_scopes], NumericErrorCode=[1056], ErrorMessage=[Insufficient access scopes. Expected: [friends_list]], CorrId=[EOS-e4rjgpsU1E2FiwmBHXlAeA-1RQJDw2ovk-aMJOVQZ0Tyg]
[2024.11.26-16.23.47:129][ 72]Cmd: STAT FPS
[2024.11.26-16.23.50:654][358]LogWindows: Error: === Critical error: ===
[2024.11.26-16.23.50:654][358]LogWindows: Error:
[2024.11.26-16.23.50:654][358]LogWindows: Error: Fatal error!
[2024.11.26-16.23.50:654][358]LogWindows: Error:
[2024.11.26-16.23.50:654][358]LogWindows: Error: Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x0000000000000008
[2024.11.26-16.23.50:654][358]LogWindows: Error:
[2024.11.26-16.23.50:654][358]LogWindows: Error: [Callstack] 0x00007ffc16538080 UnrealEditor-Renderer.dll!UnknownFunction
[2024.11.26-16.23.50:654][358]LogWindows: Error: [Callstack] 0x00007ffc1682ad77 UnrealEditor-Renderer.dll!UnknownFunction
[2024.11.26-16.23.50:654][358]LogWindows: Error: [Callstack] 0x00007ffc1616ccb9 UnrealEditor-Renderer.dll!UnknownFunction
[2024.11.26-16.23.50:654][358]LogWindows: Error: [Callstack] 0x00007ffc16f44b26 UnrealEditor-Renderer.dll!UnknownFunction
[2024.11.26-16.23.50:654][358]LogWindows: Error: [Callstack] 0x00007ffc16efbb8a UnrealEditor-Renderer.dll!UnknownFunction
[2024.11.26-16.23.50:654][358]LogWindows: Error: [Callstack] 0x00007ffc7fb7b7c5 UnrealEditor-RenderCore.dll!UnknownFunction
[2024.11.26-16.23.50:654][358]LogWindows: Error: [Callstack] 0x00007ffc7fba94cf UnrealEditor-RenderCore.dll!UnknownFunction
[2024.11.26-16.23.50:654][358]LogWindows: Error: [Callstack] 0x00007ffc6b912722 UnrealEditor-Core.dll!UnknownFunction
[2024.11.26-16.23.50:654][358]LogWindows: Error: [Callstack] 0x00007ffc6b907d4a UnrealEditor-Core.dll!UnknownFunction
[2024.11.26-16.23.50:654][358]LogWindows: Error: [Callstack] 0x00007ffc6b9081ee UnrealEditor-Core.dll!UnknownFunction
[2024.11.26-16.23.50:654][358]LogWindows: Error: [Callstack] 0x00007ffc7fbd7e1c UnrealEditor-RenderCore.dll!UnknownFunction
[2024.11.26-16.23.50:654][358]LogWindows: Error: [Callstack] 0x00007ffc7fbdceb4 UnrealEditor-RenderCore.dll!UnknownFunction
[2024.11.26-16.23.50:654][358]LogWindows: Error: [Callstack] 0x00007ffc6bf3c0ad UnrealEditor-Core.dll!UnknownFunction
[2024.11.26-16.23.50:654][358]LogWindows: Error: [Callstack] 0x00007ffc6bf335cf UnrealEditor-Core.dll!UnknownFunction
[2024.11.26-16.23.50:654][358]LogWindows: Error: [Callstack] 0x00007ffcc108e8d7 KERNEL32.DLL!UnknownFunction
[2024.11.26-16.23.50:654][358]LogWindows: Error: