22:09:37 [SEVERE] Error occurred while enabling CivCraft v1.6.4 (Is it up to date?)
java.lang.NullPointerException
        at net.minecraft.server.v1_6_R3.ItemStack.usesData(ItemStack.java:138)
        at net.minecraft.server.v1_6_R3.ItemStack.setData(ItemStack.java:161)
        at net.minecraft.server.v1_6_R3.ItemStack.<init>(ItemStack.java:46)
        at org.bukkit.craftbukkit.v1_6_R3.inventory.CraftItemStack.asNMSCopy(CraftItemStack.java:33)
        at gpl.AttributeUtil.<init>(AttributeUtil.java:232)
        at ru.celestialsllc.civ.lorestorage.LoreMaterial.spawn(LoreMaterial.java:174)
        at ru.celestialsllc.civ.lorestorage.LoreMaterial.spawn(LoreMaterial.java:169)
        at ru.celestialsllc.civ.lorestorage.LoreCraftableMaterial.buildRecipes(LoreCraftableMaterial.java:217)
        at ru.celestialsllc.civ.config.CivSettings.init(CivSettings.java:306)
        at ru.celestialsllc.civ.main.CivCraft.onEnable(CivCraft.java:263)
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:217)
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:457)
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:381)
        at org.bukkit.craftbukkit.v1_6_R3.CraftServer.loadPlugin(CraftServer.java:284)
        at org.bukkit.craftbukkit.v1_6_R3.CraftServer.enablePlugins(CraftServer.java:266)
        at net.minecraft.server.v1_6_R3.MinecraftServer.l(MinecraftServer.java:315)
        at net.minecraft.server.v1_6_R3.MinecraftServer.f(MinecraftServer.java:292)
        at net.minecraft.server.v1_6_R3.MinecraftServer.a(MinecraftServer.java:252)
        at net.minecraft.server.v1_6_R3.DedicatedServer.init(DedicatedServer.java:152)
        at net.minecraft.server.v1_6_R3.MinecraftServer.run(MinecraftServer.java:393)
        at net.minecraft.server.v1_6_R3.ThreadServerApplication.run(SourceFile:583)