Minecraft Forums

I added galacticraft to the Feed the beast Horizons mod pack

Now, when I open my inventory my game crashes.
I've read that it is possible to add galacticraft to the horizons mod pack, but I'm not sure if that's right.

here is the crash report
Any information would be very appreciated.


---- Minecraft Crash Report ----
// Everything's going to plan. No, really, that was supposed to happen.

Time: 1/13/14 3:23 AM
Description: Rendering screen

java.lang.NullPointerException
at net.minecraft.item.ItemStack.func_94608_d(ItemStack.java:148)
at tconstruct.client.RenderItemCopy.renderItemIntoGUI(RenderItemCopy.java:416)
at tconstruct.client.RenderItemCopy.renderItemIntoGUI(RenderItemCopy.java:345)
at tconstruct.client.pages.ContentsTablePage.renderContentLayer(ContentsTablePage.java:47)
at tconstruct.client.gui.GuiManual.func_73863_a(GuiManual.java:181)
at net.minecraft.client.renderer.EntityRenderer.func_78480_b(EntityRenderer.java:1036)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:946)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:838)
at net.minecraft.client.main.Main.main(SourceFile:101)
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:131)
at net.minecraft.launchwrapper.Launch.main(Launch.java:27)


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

-- Head --
Stacktrace:
at net.minecraft.item.ItemStack.func_94608_d(ItemStack.java:148)
at tconstruct.client.RenderItemCopy.renderItemIntoGUI(RenderItemCopy.java:416)
at tconstruct.client.RenderItemCopy.renderItemIntoGUI(RenderItemCopy.java:345)
at tconstruct.client.pages.ContentsTablePage.renderContentLayer(ContentsTablePage.java:47)
at tconstruct.client.gui.GuiManual.func_73863_a(GuiManual.java:181)