[Bug]: config doesn't effect the game

[Idkijustwannatellu]

General Info

• [x] I am running a modpack
• [ ] I can reproduce this issue consistently in single-player
• [ ] I can reproduce this issue consistently in multi-player
• [X] I have searched for this issue previously and it was either (1) not previously reported, or (2) previously fixed and I am having the same problem.
• [ ] I am crashing and can provide my crash report(s)
• [ ] I am using the latest version of the mod

Forge version

1.12.1

Mod version

4.0.0 - 1.12.1

Java version

1.12.1

Issue Description

changed the spawn rate to some mobs to 0 but they still spawn

Additional Information

No response

[Mrbysco]

What version of minecraft are you playing? Because 4.0.0 does not exist on 1.12

[Mrbysco]

Also did you restart your game? as it won't update live

[Idkijustwannatellu]

Also did you restart your game? as it won't update live

yes I did restart it I didn't update it live, and sorry idk what verison minecraft its just 1.12.1, everythings put together correctly and working, it's just changing the config doesn't seem to do anything.