Mobs doesn't drop

I added some mods to my server and now mobs aren't dropping any loots after killing them.

mods:

Mr crayfish gun mod

framework

gravestone

ore excavation

and how do I remove all the twilight forest mod, I deleted it but its still in the log when i ever start the server!

Quote from 456457457

https://www.curseforge.com/min…-mods/the-twilight-forest

What? I'm not trying to download it, I'm trying to remove it. But it keeps showing up in the log