In my singleplayer world I have recently been besieged by a long thunderstorm. Normally, I would be okay with that, but twice since the storm started I have gotten unexpected crashes, both with references to lightning in the configs. ---- Minecraft Crash Report ----// Don't be sad, have a hug! <3Time: 3/20/14 10:16 PMDescription: Exception ticking worldjava.lang.NoClassDefFoundError: net/minecraft/world/CallableLvl1at net.minecraft.world.World.func_72821_m(World.java:862)at net.minecraft.world.World.func_72898_h(World.java:788)at net.minecraft.world.World.func_72851_f(World.java:741)at net.minecraft.world.World.func_72832_d(World.java:573)at net.minecraft.world.World.func_94575_c(World.java:721)at net.minecraft.entity.effect.EntityLightningBolt.<init>(SourceFile:33)at net.minecraft.world.WorldServer.func_72893_g(WorldServer.java:377)at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:201)at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:655)at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:585)at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:129)at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:482)at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:582)A detailed walkthrough of the error, its code path and all known details is as follows:----------------------------------------------------------------------------------------- Head --Stacktrace:at net.minecraft.world.World.func_72821_m(World.java:862)at net.minecraft.world.World.func_72898_h(World.java:788)at net.minecraft.world.World.func_72851_f(World.java:741)at net.minecraft.world.World.func_72832_d(World.java:573)at net.minecraft.world.World.func_94575_c(World.java:721)at net.minecraft.entity.effect.EntityLightningBolt.<init>(SourceFile:33)at net.minecraft.world.WorldServer.func_72893_g(WorldServer.java:377)at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:201)-- Affected level --Details:Level name: Solid GroundAll players: 1 total; [EntityPlayerMP['buzzy613'/4, l='Solid Ground', x=-91.09, y=144.00, z=-12549.70]]Chunk stats: ServerChunkCache: 1160 Drop: 0Level seed: 1835631800402649369Level generator: ID 00 - DEFAULT, ver 1. Features enabled: trueLevel generator options:Level spawn location: World: (19,145,251), Chunk: (at 3,9,11 in 1,15; contains blocks 16,0,240 to 31,255,255), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)Level time: 744098 game time, 782366 day timeLevel dimension: 0Level storage version: 0x04ABD - AnvilLevel weather: Rain time: 3386 (now: true), thunder time: 3070 (now: true)Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: falseStacktrace:at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:655)at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:585)at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:129)at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:482)at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:582)-- System Details --Details:Minecraft Version: 1.6.2Operating System: Windows 8 (amd64) version 6.2Java Version: 1.7.0_51, Oracle CorporationJava VM Version: Java HotSpot 64-Bit Server VM (mixed mode), Oracle CorporationMemory: 342984232 bytes (327 MB) / 792723456 bytes (756 MB) up to 954728448 bytes (910 MB)JVM Flags: 4 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xms256M -Xmx1024M -XX:PermSize=256MAABB Pool Size: 1780 (99680 bytes; 0 MB) allocated, 6 (336 bytes; 0 MB) usedSuspicious classes: FML and Forge are installedIntCache: cache: 0, tcache: 0, allocated: 1, tallocated: 63FML: MCP v8.04 FML v6.2.62.871 Minecraft Forge 9.10.1.871 10 mods loaded, 10 mods activemcp{8.04} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->AvailableFML{6.2.62.871} [Forge Mod Loader] (minecraftforge-universal-1.6.2-9.10.1.871.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->AvailableForge{9.10.1.871} [Minecraft Forge] (minecraftforge-universal-1.6.2-9.10.1.871.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->AvailableCodeChickenCore{0.9.0.4} [codeChicken Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->AvailableNotEnoughItems{1.6.1.3} [Not Enough Items] (NotEnoughItems 1.6.1.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->AvailableDamageIndicatorsMod{2.9.2.3} [Damage Indicators] (1.6.4 DamageIndicatorsv2.9.2.3.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Availableterrafirmacraft{0.77.22} [TerraFirmaCraft] (TFC-0.77.22.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->AvailableExtraFirma{1.0.3} [ExtraFirma] (extrafirma-universal-v1.0.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Availableinventorytweaks{1.56} [inventory Tweaks] (InventoryTweaks-MC1.6.2-1.56-b77.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Availablemod_ZanMinimap{0.9.4} [Zan's Minimap] (ZansMinimap1.6.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->AvailableProfiler Position: N/A (disabled)Vec3 Pool Size: 980 (54880 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) usedPlayer Count: 1 / 8; [EntityPlayerMP['buzzy613'/4, l='Solid Ground', x=-91.09, y=144.00, z=-12549.70]]Type: Integrated Server (map_client.txt)Is Modded: Definitely; Client brand changed to 'fml,forge' ---- Minecraft Crash Report ----// Ouch. That hurt Time: 3/20/14 11:12 PMDescription: Exception ticking worldjava.lang.NoClassDefFoundError: net/minecraft/world/CallableLvl1at net.minecraft.world.World.func_72821_m(World.java:862)at net.minecraft.world.World.func_72898_h(World.java:788)at net.minecraft.world.World.func_72851_f(World.java:741)at net.minecraft.world.World.func_72832_d(World.java:573)at net.minecraft.world.World.func_94575_c(World.java:721)at net.minecraft.entity.effect.EntityLightningBolt.<init>(SourceFile:33)at net.minecraft.world.WorldServer.func_72893_g(WorldServer.java:377)at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:201)at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:655)at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:585)at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:129)at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:482)at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:582)A detailed walkthrough of the error, its code path and all known details is as follows:----------------------------------------------------------------------------------------- Head --Stacktrace:at net.minecraft.world.World.func_72821_m(World.java:862)at net.minecraft.world.World.func_72898_h(World.java:788)at net.minecraft.world.World.func_72851_f(World.java:741)at net.minecraft.world.World.func_72832_d(World.java:573)at net.minecraft.world.World.func_94575_c(World.java:721)at net.minecraft.entity.effect.EntityLightningBolt.<init>(SourceFile:33)at net.minecraft.world.WorldServer.func_72893_g(WorldServer.java:377)at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:201)-- Affected level --Details:Level name: Solid GroundAll players: 1 total; [EntityPlayerMP['buzzy613'/4, l='Solid Ground', x=-29.60, y=152.00, z=-12544.35]]Chunk stats: ServerChunkCache: 1236 Drop: 0Level seed: 1835631800402649369Level generator: ID 00 - DEFAULT, ver 1. Features enabled: trueLevel generator options:Level spawn location: World: (19,145,251), Chunk: (at 3,9,11 in 1,15; contains blocks 16,0,240 to 31,255,255), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)Level time: 801604 game time, 839872 day timeLevel dimension: 0Level storage version: 0x04ABD - AnvilLevel weather: Rain time: 14859 (now: true), thunder time: 13727 (now: true)Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: falseStacktrace:at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:655)at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:585)at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:129)at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:482)at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:582)-- System Details --Details:Minecraft Version: 1.6.2Operating System: Windows 8 (amd64) version 6.2Java Version: 1.7.0_51, Oracle CorporationJava VM Version: Java HotSpot 64-Bit Server VM (mixed mode), Oracle CorporationMemory: 276686336 bytes (263 MB) / 797442048 bytes (760 MB) up to 954728448 bytes (910 MB)JVM Flags: 4 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xms256M -Xmx1024M -XX:PermSize=256MAABB Pool Size: 1761 (98616 bytes; 0 MB) allocated, 10 (560 bytes; 0 MB) usedSuspicious classes: FML and Forge are installedIntCache: cache: 0, tcache: 0, allocated: 1, tallocated: 63FML: MCP v8.04 FML v6.2.62.871 Minecraft Forge 9.10.1.871 10 mods loaded, 10 mods activemcp{8.04} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->AvailableFML{6.2.62.871} [Forge Mod Loader] (minecraftforge-universal-1.6.2-9.10.1.871.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->AvailableForge{9.10.1.871} [Minecraft Forge] (minecraftforge-universal-1.6.2-9.10.1.871.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->AvailableCodeChickenCore{0.9.0.4} [codeChicken Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->AvailableNotEnoughItems{1.6.1.3} [Not Enough Items] (NotEnoughItems 1.6.1.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->AvailableDamageIndicatorsMod{2.9.2.3} [Damage Indicators] (1.6.4 DamageIndicatorsv2.9.2.3.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Availableterrafirmacraft{0.77.22} [TerraFirmaCraft] (TFC-0.77.22.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->AvailableExtraFirma{1.0.3} [ExtraFirma] (extrafirma-universal-v1.0.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Availableinventorytweaks{1.56} [inventory Tweaks] (InventoryTweaks-MC1.6.2-1.56-b77.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Availablemod_ZanMinimap{0.9.4} [Zan's Minimap] (ZansMinimap1.6.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->AvailableProfiler Position: N/A (disabled)Vec3 Pool Size: 1112 (62272 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) usedPlayer Count: 1 / 8; [EntityPlayerMP['buzzy613'/4, l='Solid Ground', x=-29.60, y=152.00, z=-12544.35]]Type: Integrated Server (map_client.txt)Is Modded: Definitely; Client brand changed to 'fml,forge' It should be noted that I am running other mods alongside TFC, including extrafirma, and I also live near a sequoia forest.Thank you for your consideration.