Minecraft 1.20.1
Forge 47.3.6
Cold Sweat 2.3.2, no other mods

standing in water while not fully submerged seems to crash the game with a division by zero error

crash-2024-08-25_06.26.32-client.txt

Seems like this happens when you use the "Auto" GUI scaling setting. For now, setting it to something other than this will prevent the crash. Thanks for the report