java.lang.NullPointerException: Unexpected error
at am2.guis.GuiSkillTrees.func_73866_w_(GuiSkillTrees.java:102)
at net.minecraft.client.gui.GuiScreen.func_146280_a(GuiScreen.java:255)
at net.minecraft.client.Minecraft.func_147108_a(Minecraft.java:808)
at am2.proxy.ClientProxy.openSkillTreeUI(ClientProxy.java:188)
at am2.blocks.BlockOcculus.func_149727_a(BlockOcculus.java:59)
at net.minecraft.client.multiplayer.PlayerControllerMP.func_78760_a(PlayerControllerMP.java:326)
at net.minecraft.client.Minecraft.func_147121_ag(Minecraft.java:1447)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1953)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:973)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:898)
at net.minecraft.client.main.Main.main(SourceFile:148)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
A detailed walkthrough of the error, its code path and all known details is as follows:
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Stacktrace:
at am2.guis.GuiSkillTrees.func_73866_w_(GuiSkillTrees.java:102)
at net.minecraft.client.gui.GuiScreen.func_146280_a(GuiScreen.java:255)
at net.minecraft.client.Minecraft.func_147108_a(Minecraft.java:808)
at am2.proxy.ClientProxy.openSkillTreeUI(ClientProxy.java:188)
at am2.blocks.BlockOcculus.func_149727_a(BlockOcculus.java:59)
at net.minecraft.client.multiplayer.PlayerControllerMP.func_78760_a(PlayerControllerMP.java:326)
at net.minecraft.client.Minecraft.func_147121_ag(Minecraft.java:1447)