Vanilla Tweaks Version: 1.5.2

MinecraftForge Version: 14.23.5.28.38

Minecraft Version: 1.12.2

(Optional) Just Enough Items (JEI) Version: 4.15.0.281

Client or Server?:

• Client
• Server

What happens / happened?: Still, having pockets of lava in the nether

How can the issue be reproduced?: Test and try to fix it

I do apologize how I have posted a bit within the past few days.