21:47:45  [SEVERE] java.lang.NullPointerException
21:47:45  [SEVERE] 	at codechicken.lib.world.WorldExtension.saveChunkData(WorldExtension.java:62)
21:47:45  [SEVERE] 	at codechicken.lib.world.WorldExtensionManager$WorldExtensionEventHandler.onChunkDataSave(WorldExtensionManager.java:45)
21:47:45  [SEVERE] 	at net.minecraftforge.event.ASMEventHandler_113_WorldExtensionEventHandler_onChunkDataSave_Save.invoke(.dynamic)
21:47:45  [SEVERE] 	at net.minecraftforge.event.ASMEventHandler.invoke(ASMEventHandler.java:39)
21:47:45  [SEVERE] 	at net.minecraftforge.event.EventBus.post(EventBus.java:108)
21:47:45  [SEVERE] 	at net.minecraft.world.chunk.storage.AnvilChunkLoader.func_75816_a(AnvilChunkLoader.java:216)
21:47:45  [SEVERE] 	at net.minecraft.world.gen.ChunkProviderServer.func_73242_b(ChunkProviderServer.java:335)
21:47:45  [SEVERE] 	at com.bergerkiller.bukkit.common.utils.ChunkUtil.saveChunk(ChunkUtil.java:323)
21:47:45  [SEVERE] 	at com.bergerkiller.bukkit.nolagg.saving.AutoSaveChanger$1$1.run(AutoSaveChanger.java:52)
21:47:45  [SEVERE] 	at org.bukkit.craftbukkit.v1_6_R2.scheduler.CraftTask.run(CraftTask.java:58)
21:47:45  [SEVERE] 	at org.bukkit.craftbukkit.v1_6_R2.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:345)
21:47:45  [SEVERE] 	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:784)
21:47:45  [SEVERE] 	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:318)
21:47:45  [SEVERE] 	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:741)
21:47:45  [SEVERE] 	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:625)
21:47:45  [SEVERE] 	at net.minecraft.server.ThreadMinecraftServer.run(ThreadMinecraftServer.java:16)
21:47:45  [SEVERE] java.lang.NullPointerException
21:47:45  [SEVERE] 	at codechicken.lib.world.WorldExtension.saveChunkData(WorldExtension.java:62)
21:47:45  [SEVERE] 	at codechicken.lib.world.WorldExtensionManager$WorldExtensionEventHandler.onChunkDataSave(WorldExtensionManager.java:45)
21:47:45  [SEVERE] 	at net.minecraftforge.event.ASMEventHandler_113_WorldExtensionEventHandler_onChunkDataSave_Save.invoke(.dynamic)
21:47:45  [SEVERE] 	at net.minecraftforge.event.ASMEventHandler.invoke(ASMEventHandler.java:39)
21:47:45  [SEVERE] 	at net.minecraftforge.event.EventBus.post(EventBus.java:108)
21:47:45  [SEVERE] 	at net.minecraft.world.chunk.storage.AnvilChunkLoader.func_75816_a(AnvilChunkLoader.java:216)
21:47:45  [SEVERE] 	at net.minecraft.world.gen.ChunkProviderServer.func_73242_b(ChunkProviderServer.java:335)
21:47:45  [SEVERE] 	at com.bergerkiller.bukkit.common.utils.ChunkUtil.saveChunk(ChunkUtil.java:323)
21:47:45  [SEVERE] 	at com.bergerkiller.bukkit.nolagg.saving.AutoSaveChanger$1$1.run(AutoSaveChanger.java:52)
21:47:45  [SEVERE] 	at org.bukkit.craftbukkit.v1_6_R2.scheduler.CraftTask.run(CraftTask.java:58)
21:47:45  [SEVERE] 	at org.bukkit.craftbukkit.v1_6_R2.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:345)
21:47:45  [SEVERE] 	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:784)
21:47:45  [SEVERE] 	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:318)
21:47:45  [SEVERE] 	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:741)
21:47:45  [SEVERE] 	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:625)
21:47:45  [SEVERE] 	at net.minecraft.server.ThreadMinecraftServer.run(ThreadMinecraftServer.java:16)