Describe the bug
For whatever reason the inverted lamps are causing crashes every now and then with some "BooleanProperty" checks that fail because the block in it's position appears to be minecraft:void_air?

To Reproduce
Steps to reproduce the behavior:

1. Place Inverted Lamp blocks
2. ... Wait? I have no idea how to best reproduce this...
3. Have the game crash with the attached crash-log

Expected behavior
I expect my game not to crash.

Crash Log
https://paste.ee/p/z6QvI

Versions

• CCL Version: 1.16.5-4.0.3.434-universal
• FMP Version: 1.16.5-3.0.2.120-universal
• MrTJPCore Version: N/A (1.16.5)
• ProjectRed Version: 1.16.5-4.11.0-beta-0

Screenshots/Videos
N/A

Try to see if it works without optifine installed

I will try but since it was unrealiable with the crashes already I wouldn't be able to know if that would fully fix it unfortunately...

I had the lamps on one of my small islands for around a week and have been playing daily on the server and haven't had a single crash, except starting today :/

I think its when you try to break them or right click on them. I'm playing ATM6 pack and whenever I do that it crashed the game.

Crash report:
https://paste.gg/p/anonymous/0ae1a9e1b60c42afb574507dab6ea335

Another crash report from Above and Beyond modpack

https://paste.gg/p/anonymous/579ab06c3a99401db9c67594b8a56280

Does this crash servers or just the person's game?

For me it only crashed my client, but it was a hard crash meaning I needed to restart the game

Hmm. Are tile entity renderers not allowed to base rendering on the corresponding block state at the tile's position? Lamps don't actually store their light state, they just check to see if the block in world has the LIT property set true.