Describe the bug
Looks like it tries to retrogen and then server crashes, despite settings having all ore retrogen set to false

To Reproduce
Steps to reproduce the behavior:
Walk in an already generated chunk without DEFAULT_2 tag possibly

Logs
Add game logs (logs/latest.log and crash log (if exists) ).
latest.log

Environment

• OS: win10
• Minecraft version: 1.12.2
• Forge version: 14.23.5.2854
• Immersive Intelligence version: latest
• Immersive Engineering version: latest

Error

[11:47:12] [Server thread/ERROR] [minecraft/MinecraftServer]: Encountered an unexpected exception java.lang.NullPointerException: null at pl.pabilo8.immersiveintelligence.common.world.IIWorldGen.generateOres(IIWorldGen.java:67) ~[IIWorldGen.class:?] at pl.pabilo8.immersiveintelligence.common.world.IIWorldGen.serverWorldTick(IIWorldGen.java:113) ~[IIWorldGen.class:?] at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_3589_IIWorldGen_serverWorldTick_WorldTickEvent.invoke(.dynamic) ~[?:?] at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90) ~[ASMEventHandler.class:?] at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:182) ~[EventBus.class:?] at net.minecraftforge.fml.common.FMLCommonHandler.onPostWorldTick(FMLCommonHandler.java:274) ~[FMLCommonHandler.class:?] at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:776) ~[MinecraftServer.class:?] at net.minecraft.server.dedicated.DedicatedServer.updateTimeLightAndEntities(DedicatedServer.java:397) ~[nz.class:?] at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:668) ~[MinecraftServer.class:?] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526) [MinecraftServer.class:?] at java.lang.Thread.run(Unknown Source) [?:1.8.0_221]