The sunken skeleton is crashing my game (Spawned it in creative mode just to confirm). I tried to disable it from spawning using configured but it didn't work and I still get random crashes near water (Gotta be when the sunken skeleton spawns obviously).

crash-2021-09-13_14.32.28-server.txt

Updated forge to latest recommended version (36.2.0) works perfectly now (was using 36.1.31 before).