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java.lang.NullPointerException: 	at ic2.core.energy.EnergyNetLocal.addTileToGrids(EnergyNetLocal.java:627)	at ic2.core.energy.EnergyNetLocal.addTileEntity(EnergyNetLocal.java:185)	at ic2.core.energy.EnergyNetLocal.addTileEntity(EnergyNetLocal.java:66)	at ic2.core.energy.EventHandler.onEnergyTileLoad(EventHandler.java:28)	at cpw.mods.fml.common.eventhandler.ASMEventHandler_43_EventHandler_onEnergyTileLoad_EnergyTileLoadEvent.invoke(.dynamic)	at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54)	at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:140)	at advsolar.common.tiles.TileEntitySolarPanel.onLoaded(TileEntitySolarPanel.java:112)	at advsolar.common.tiles.TileEntitySolarPanel.func_145829_t(TileEntitySolarPanel.java:91)	at net.minecraft.world.chunk.Chunk.func_150812_a(Chunk.java:1007)	at net.minecraft.world.World.func_147455_a(World.java:3271)	at net.minecraft.world.chunk.Chunk.func_150806_e(Chunk.java:958)	at net.minecraft.world.World.func_147438_o(World.java:3211)	at org.bukkit.craftbukkit.v1_7_R4.block.CraftBlock.getState(CraftBlock.java:307)	at me.botsko.prism.listeners.PrismBlockPhysicsEvent.onBlockPhysics(PrismBlockPhysicsEvent.java:61)	at sun.reflect.GeneratedMethodAccessor89.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)	at com.massivecraft.massivelag.inject.event.MassiveLagEventExecutor.execute(MassiveLagEventExecutor.java:67)	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:507)	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:492)	at net.minecraft.world.World.func_147460_e(World.java:1139)	at ic2.core.energy.EnergyNetLocal.addTileEntity(EnergyNetLocal.java:181)	at ic2.core.energy.EnergyNetLocal.addTileEntity(EnergyNetLocal.java:66)	at ic2.core.energy.EventHandler.onEnergyTileLoad(EventHandler.java:28)	at cpw.mods.fml.common.eventhandler.ASMEventHandler_43_EventHandler_onEnergyTileLoad_EnergyTileLoadEvent.invoke(.dynamic)	at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54)	at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:140)	at ic2.core.block.wiring.TileEntityCable.onLoaded(TileEntityCable.java:159)	at ic2.core.block.TileEntityBlock$1.tickCallback(TileEntityBlock.java:60)	at ic2.core.TickHandler.processTickCallbacks(TickHandler.java:175)	at ic2.core.TickHandler.onWorldTick(TickHandler.java:60)	at cpw.mods.fml.common.eventhandler.ASMEventHandler_25_TickHandler_onWorldTick_WorldTickEvent.invoke(.dynamic)	at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54)	at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:140)	at cpw.mods.fml.common.FMLCommonHandler.onPreWorldTick(FMLCommonHandler.java:273)	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:957)	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:432)	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:841)	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:693)	at java.lang.Thread.run(Thread.java:745)