Describe the Bug

So I am building a mob farm but light shines through the encased chain drive and encased fan nearby. there is no other area nearby where light can enter

Reproduction Steps

1. Build the farm

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Expected Result

I thought that the create blocks i used would block out light but they didn't

Screenshots and Videos

Crash Report or Log

No response

Operating System

Windows 10

Mod Version

0.5.1d

Minecraft Version

1.20.1

Forge Version

47.2.0

Other Mods

i was running a mod pack on Forge called "Create Perfect World" By a user called MrBeardstone which has 99 total mods in it

Additional Context

I was building this farm here
https://www.youtube.com/watch?v=KIkITCAuPlI&t