[16:22:54] [KCauldron World Save/ERROR]: Exception caught during firing event net.minecraftforge.event.world.ChunkDataEvent$Save@22abc86a:
java.lang.NullPointerException
[16:22:54] [KCauldron World Save/ERROR]: Index: 10 Listeners:
[16:22:54] [KCauldron World Save/ERROR]: 0: NORMAL
[16:22:54] [KCauldron World Save/ERROR]: 1: ASM: mods.natura.Natura@381b84a7 chunkDataSave(Lnet/minecraftforge/event/world/ChunkDataEvent$Save;)V
[16:22:54] [KCauldron World Save/ERROR]: 2: ASM: cofh.core.world.WorldHandler@2ee39fd2 handleChunkSaveEvent(Lnet/minecraftforge/event/world/ChunkDataEvent$Save;)V
[16:22:54] [KCauldron World Save/ERROR]: 3: ASM: erogenousbeef.bigreactors.common.BREventHandler@1184dcac chunkSave(Lnet/minecraftforge/event/world/ChunkDataEvent$Save;)V
[16:22:54] [KCauldron World Save/ERROR]: 4: ASM: thaumcraft.common.lib.events.EventHandlerWorld@2ddfb05a chunkSave(Lnet/minecraftforge/event/world/ChunkDataEvent$Save;)V
[16:22:54] [KCauldron World Save/ERROR]: 5: ASM: pneumaticCraft.common.semiblock.SemiBlockManager@71ae14ca onChunkSave(Lnet/minecraftforge/event/world/ChunkDataEvent$Save;)V
[16:22:54] [KCauldron World Save/ERROR]: 6: ASM: mods.natura.worldgen.retro.WorldHandler@61cbc643 handleChunkSaveEvent(Lnet/minecraftforge/event/world/ChunkDataEvent$Save;)V
[16:22:54] [KCauldron World Save/ERROR]: 7: ASM: mrtjp.core.world.SimpleGenHandler$@c8126a7 chunkSaveEvent(Lnet/minecraftforge/event/world/ChunkDataEvent$Save;)V
[16:22:54] [KCauldron World Save/ERROR]: 8: ASM: com.rwtema.denseores.WorldGenOres@58c71ab8 retroGenSave(Lnet/minecraftforge/event/world/ChunkDataEvent$Save;)V
[16:22:54] [KCauldron World Save/ERROR]: 9: ASM: forestry.core.TickHandlerCoreServer@10c0a882 chunkSaveEventHandler(Lnet/minecraftforge/event/world/ChunkDataEvent$Save;)V
[16:22:54] [KCauldron World Save/ERROR]: 10: ASM: codechicken.lib.world.WorldExtensionManager$WorldExtensionEventHandler@3607787f onChunkDataSave(Lnet/minecraftforge/event/world/ChunkDataEvent$Save;)V
[16:22:54] [KCauldron World Save/WARN]: java.lang.NullPointerException