1. Join the world
2. Crash during world loading
3. No profits

latest.log | debug.log head / tail (~10MB & ~48k lines) | crash-2025-10-12_19.50.40-client.txt | KubeJS: client.log / server.log / startup.log | crash_assistant_app.log | modlist.txt | CurseForge: skip launcher

1.21.1 Neoforge

This is technically a duplicate of #313.

But you've got good timing, Ars Nouveau 5.10.6 just released a few minutes ago which fixes this crash when LambDynamicLights is present.