Have a bug with world loading. After world generation the game crashes. Here the crash-log.
crash-2022-07-22_20.52.25-client.txt
Mod ver - 2.7.1.
Game ver - 1.16.5 Forge.
May be some conflicts in modpack? Help to figure this out, plssss T-T

It's a crash with Optifine. Try using Optifine 1.16.5 G8

https://optifine.net/adloadx?f=OptiFine_1.16.5_HD_U_G8.jar&x=6290