This is an addon-mod fixed this crash for tough as nails
Add this with TAN NOT Replace TAN

java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429)
	at java.util.HashMap$EntryIterator.next(HashMap.java:1463)
	at java.util.HashMap$EntryIterator.next(HashMap.java:1461)
	at toughasnails.temperature.TemperatureHandler.update(TemperatureHandler.java:82)
	at toughasnails.handler.ExtendedStatHandler.onPlayerTick(ExtendedStatHandler.java:69)
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_2647_ExtendedStatHandler_onPlayerTick_PlayerTickEvent.invoke(.dynamic)
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
	at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:182)
	at net.minecraftforge.fml.common.FMLCommonHandler.onPlayerPostTick(FMLCommonHandler.java:370)
	at net.minecraft.entity.player.EntityPlayer.updateSize(EntityPlayer.java:378)
	at net.minecraft.entity.player.EntityPlayer.onUpdate(EntityPlayer.java:288)
	at net.minecraft.entity.player.EntityPlayerMP.onUpdateEntity(EntityPlayerMP.java:382)
	at net.minecraft.network.NetHandlerPlayServer.update(NetHandlerPlayServer.java:173)
	at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1.update(NetworkDispatcher.java:209)
	at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:285)
	at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:180)
	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:790)
	at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:668)
	at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:185)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526)
	at java.lang.Thread.run(Thread.java:745)

Note: This mod is created by lxy.
He gave me permission to upload this on curseforge.

TANFix