Bug Description

when i am trying to make world loading stops on 0%, and minecraft crashes

Reproduction Steps

i m download mod pack ciscos fantasy medival from curse forge, and transferred to modrinth+download not enough crashes, and maybe dynamic lights

Log File

2025-10-11-6.log.gz

This bug report is not actionable; the reproduction steps need to be as simple as possible (ideally a minimal set of mods, and if not possible a simple download & test without many tweaks).