If you hover over the effect status in your inventory and left-click, the game crashes.
Just Enough Effect Descriptions (JEED) v1.21-2.2.19
Just Enough Items (JEI) v19.25.0.319
NeoForge v21.1.209
Minecraft v1.21.1

Send crash log and also try on new install with just those two moss

crash-2025-09-26_02.31.37-client.txt

I tried installing only two mods again, the result is the same.

the problem has been fixed