java.lang.NullPointerException

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  • java.lang.NullPointerException: Unexpected error at net.minecraft.network.datasync.EntityDataManager.func_187227_b(SourceFile:123) at Nanashi.AdvancedTools.entity.Entity_GoldCreeper.func_70097_a(Entity_GoldCreeper.java:70) at net.minecraft.entity.player.EntityPlayer.func_71059_n(EntityPlayer.java:1293) at net.minecraft.client.multiplayer.PlayerControllerMP.func_78764_a(PlayerControllerMP.java:526) at net.minecraft.client.Minecraft.func_147116_af(Minecraft.java:1452) at net.minecraft.client.Minecraft.func_184117_aA(Minecraft.java:2179) at net.minecraft.client.Minecraft.func_184118_az(Minecraft.java:1961) at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1749) at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1055) at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:371) at net.minecraft.client.main.Main.main(SourceFile:124) 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:483) at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
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