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java.lang.IllegalArgumentException: Cannot create a fluidstack from a null fluid

at net.minecraftforge.fluids.FluidStack.<init>(FluidStack.java:29)

at net.minecraftforge.fluids.FluidStack.<init>(FluidStack.java:59)

at tconstruct.smeltery.gui.SmelteryGui.func_146979_b(SmelteryGui.java:151)

at net.minecraft.client.gui.inventory.GuiContainer.func_73863_a(GuiContainer.java:119)

at tconstruct.smeltery.gui.SmelteryGui.func_73863_a(SmelteryGui.java:64)

at net.minecraft.client.renderer.EntityRenderer.func_78480_b(EntityRenderer.java:1357)

at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:989)

at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:887)

at net.minecraft.client.main.Main.main(SourceFile:148)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)

at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:286)

at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:376)

at org.multimc.EntryPoint.listen(EntryPoint.java:165)

at org.multimc.EntryPoint.main(EntryPoint.java:54)

A detailed walkthrough of the error, its code path and all known details is as follows:

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-- Head --

Stacktrace:

at net.minecraftforge.fluids.FluidStack.<init>(FluidStack.java:29)

at net.minecraftforge.fluids.FluidStack.<init>(FluidStack.java:59)

at tconstruct.smeltery.gui.SmelteryGui.func_146979_b(SmelteryGui.java:151)

at net.minecraft.client.gui.inventory.GuiContainer.func_73863_a(GuiContainer.java:119)

at tconstruct.smeltery.gui.SmelteryGui.func_73863_a(SmelteryGui.java:64)

-- Screen render details --

Details:

Screen name: tconstruct.smeltery.gui.SmelteryGui

Mouse location: Scaled: (239, 93). Absolute: (478, 292)

Screen size: Scaled: (427, 240). Absolute: (854, 480). Scale factor of 2

Posting this so people can find it on google as TiC is a huge mod and you have to download an alpha version to fix this witch is not linked to their forum post currently

EDIT: Sniped link to curseforge. they have updated you no longer need the alpha version

http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/2218638-tinkers-construct

version 1.7.10 1.8.4 RC1.jar(was the alpha not linked to their forum post)

Many thanks! This post IS in the top of google :3