I just reinstalled the pack and I wanted to keep everything about my previous worlds in tact. I copied all of the files over to the new installation and now I get this.
---- Minecraft Crash Report ----
// I just don't know what went wrong
Time: 5/28/13 9:00 PM
Description: Exception in server tick loop
java.lang.IllegalAccessError: tried to access field im.g from class codechicken.chunkloader.PlayerChunkViewerManager
at codechicken.chunkloader.PlayerChunkViewerManager.calculateChunkChanges(PlayerChunkViewerManager.java:156)
at codechicken.chunkloader.ChunkLoaderEventHandler.tickEnd(ChunkLoaderEventHandler.java:40)
at cpw.mods.fml.common.SingleIntervalHandler.tickEnd(SingleIntervalHandler.java:22)
at cpw.mods.fml.common.FMLCommonHandler.tickEnd(FMLCommonHandler.java:139)
at cpw.mods.fml.common.FMLCommonHandler.onPostWorldTick(FMLCommonHandler.java:283)
at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:689)
at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:599)
at bdz.q(IntegratedServer.java:123)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:497)
at fy.run(SourceFile:849)
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- System Details --
Details:
Minecraft Version: 1.4.7
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.7.0_21, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 319145760 bytes (304 MB) / 604127232 bytes (576 MB) up to 1046937600 bytes (998 MB)
Mod Pack: CWW256 forgot to change this.
LiteLoader Mods: 5 loaded mod(s)
- VoxelPacket version 2.0.2
- VoxelPlayer version 0.9.6
- Integrated Sound Packs version 1.1.1
- VoxelMenu version 1.4.7_05
- VoxelMap version 1.0.0
JVM Flags: 7 total; -Xms256M -Xmx1024M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:+AggressiveOpts -XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=128m
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Suspicious classes: FML and Forge are installed
IntCache: cache: 0, tcache: 0, allocated: 1, tallocated: 63
FML:
mcp [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->
Post-initialized->Available->Available->Available->Available
FML [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->A
vailable->Available
Forge [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
CodeChickenCore
[CodeChicken Core] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MiscPeripheralsASM [MiscPeripherals ASM] (coremods)
Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
NotEnoughItems [Not Enough Items] (coremods) Unloaded->Constructed->
Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
PowerCrystalsCore [PowerCrystals Core] (coremods) Unloaded->Constructed->Pre-initialized->
Initialized->Post-initialized->Available->Available->Available->Available
DamageIndicatorsMod [Damage Indicators] (Damage-Indicators-Mod-1.4.6.zip) Unloaded->Constructed->Pre-initialized->
Initialized->Post-initialized->Available->Available->Available->Available
ComputerCraft [ComputerCraft] (computercraft.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->
Available->Available->Available->Available
CCTurtle [ComputerCraft Turtles] (computercraft.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->
Available->Available
MiscPeripherals [MiscPeripherals] (MiscPeripherals.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Core [BuildCraft] (buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
CoFHCore [CoFH Core] (CoFHCore.zip)
Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ThermalExpansion [Thermal Expansion] (thermalexpansion.zip) Unloaded->Constructed->
Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
IC2 [IndustrialCraft 2] (IC2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->
Available->Available->Available->Available
AdvancedMachines [IC2 Advanced Machines Addon] (advancedmachines.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->
Available->Available->Available
BuildCraft|Builders [BC Builders] (buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Energy [BC Energy] (buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Factory [BC Factory]
(buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Transport [BC Transport] (buildcraft.jar) Unloaded->
Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Silicon [BC Silicon] (buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->
Post-initialized->Available->Available->Available->Available
ChickenChunks [ChickenChunks] (ChickenChunks.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->
Available->Available->Available
EE3 [Equivalent Exchange 3] (ee3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
EnderStorage
[EnderStorage] (EnderStorage.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forestry [Forestry for Minecraft] (forestry.jar)
Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BinnieCore [Binnie Core] (extrabees.zip) Unloaded->Constructed->Pre-initialized->
Initialized->Post-initialized->Available->Available->Available->Available
ExtraBees [Extra Bees] (extrabees.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->
Available->Available->Available
GraviGun [GraviGun] (GraviGun.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
IC2NuclearControl
[Nuclear Control] (IC2NuclearControl.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mod_InvTweaks [Inventory Tweaks]
(InvTweaks.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
IronChest [Iron Chest] (IronChest.zip) Unloaded->Constructed->
Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ModularForceFieldSystem [Modular ForceField System V2] (modularforcefieldsystem.zip) Unloaded->Constructed->
Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mmmPowersuits [MachineMuse's Modular Powersuits] (ModularPowersuits.jar) Unloaded->Constructed->
Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
NEIPlugins [NEI Plugins] (neiplugins.jar) Unloaded->Constructed->Pre-initialized->Initialized->
Post-initialized->Available->Available->Available->Available
PortalGun [Portal Gun] (PortalGun.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->
Available->Available->Available
Railcraft [Railcraft] (railcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ThermalExpansion|Factory [Factory] (thermalexpansion.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ThermalExpansion|Energy [Energy] (thermalexpansion.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
PowerConverters [Power Converters] (PowerConverters.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
RedPowerCore [RedPower] (redpowercore.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
RedPowerBase [RP Base]
(redpowercore.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
// I just don't know what went wrong

Time: 5/28/13 9:00 PM
Description: Exception in server tick loop
java.lang.IllegalAccessError: tried to access field im.g from class codechicken.chunkloader.PlayerChunkViewerManager
at codechicken.chunkloader.PlayerChunkViewerManager.calculateChunkChanges(PlayerChunkViewerManager.java:156)
at codechicken.chunkloader.ChunkLoaderEventHandler.tickEnd(ChunkLoaderEventHandler.java:40)
at cpw.mods.fml.common.SingleIntervalHandler.tickEnd(SingleIntervalHandler.java:22)
at cpw.mods.fml.common.FMLCommonHandler.tickEnd(FMLCommonHandler.java:139)
at cpw.mods.fml.common.FMLCommonHandler.onPostWorldTick(FMLCommonHandler.java:283)
at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:689)
at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:599)
at bdz.q(IntegratedServer.java:123)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:497)
at fy.run(SourceFile:849)
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- System Details --
Details:
Minecraft Version: 1.4.7
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.7.0_21, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 319145760 bytes (304 MB) / 604127232 bytes (576 MB) up to 1046937600 bytes (998 MB)
Mod Pack: CWW256 forgot to change this.
LiteLoader Mods: 5 loaded mod(s)
- VoxelPacket version 2.0.2
- VoxelPlayer version 0.9.6
- Integrated Sound Packs version 1.1.1
- VoxelMenu version 1.4.7_05
- VoxelMap version 1.0.0
JVM Flags: 7 total; -Xms256M -Xmx1024M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:+AggressiveOpts -XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=128m
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Suspicious classes: FML and Forge are installed
IntCache: cache: 0, tcache: 0, allocated: 1, tallocated: 63
FML:
mcp [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->
Post-initialized->Available->Available->Available->Available
FML [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->A
vailable->Available
Forge [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
CodeChickenCore
[CodeChicken Core] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MiscPeripheralsASM [MiscPeripherals ASM] (coremods)
Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
NotEnoughItems [Not Enough Items] (coremods) Unloaded->Constructed->
Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
PowerCrystalsCore [PowerCrystals Core] (coremods) Unloaded->Constructed->Pre-initialized->
Initialized->Post-initialized->Available->Available->Available->Available
DamageIndicatorsMod [Damage Indicators] (Damage-Indicators-Mod-1.4.6.zip) Unloaded->Constructed->Pre-initialized->
Initialized->Post-initialized->Available->Available->Available->Available
ComputerCraft [ComputerCraft] (computercraft.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->
Available->Available->Available->Available
CCTurtle [ComputerCraft Turtles] (computercraft.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->
Available->Available
MiscPeripherals [MiscPeripherals] (MiscPeripherals.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Core [BuildCraft] (buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
CoFHCore [CoFH Core] (CoFHCore.zip)
Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ThermalExpansion [Thermal Expansion] (thermalexpansion.zip) Unloaded->Constructed->
Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
IC2 [IndustrialCraft 2] (IC2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->
Available->Available->Available->Available
AdvancedMachines [IC2 Advanced Machines Addon] (advancedmachines.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->
Available->Available->Available
BuildCraft|Builders [BC Builders] (buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Energy [BC Energy] (buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Factory [BC Factory]
(buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Transport [BC Transport] (buildcraft.jar) Unloaded->
Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Silicon [BC Silicon] (buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->
Post-initialized->Available->Available->Available->Available
ChickenChunks [ChickenChunks] (ChickenChunks.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->
Available->Available->Available
EE3 [Equivalent Exchange 3] (ee3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
EnderStorage
[EnderStorage] (EnderStorage.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forestry [Forestry for Minecraft] (forestry.jar)
Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BinnieCore [Binnie Core] (extrabees.zip) Unloaded->Constructed->Pre-initialized->
Initialized->Post-initialized->Available->Available->Available->Available
ExtraBees [Extra Bees] (extrabees.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->
Available->Available->Available
GraviGun [GraviGun] (GraviGun.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
IC2NuclearControl
[Nuclear Control] (IC2NuclearControl.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mod_InvTweaks [Inventory Tweaks]
(InvTweaks.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
IronChest [Iron Chest] (IronChest.zip) Unloaded->Constructed->
Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ModularForceFieldSystem [Modular ForceField System V2] (modularforcefieldsystem.zip) Unloaded->Constructed->
Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mmmPowersuits [MachineMuse's Modular Powersuits] (ModularPowersuits.jar) Unloaded->Constructed->
Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
NEIPlugins [NEI Plugins] (neiplugins.jar) Unloaded->Constructed->Pre-initialized->Initialized->
Post-initialized->Available->Available->Available->Available
PortalGun [Portal Gun] (PortalGun.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->
Available->Available->Available
Railcraft [Railcraft] (railcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ThermalExpansion|Factory [Factory] (thermalexpansion.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ThermalExpansion|Energy [Energy] (thermalexpansion.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
PowerConverters [Power Converters] (PowerConverters.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
RedPowerCore [RedPower] (redpowercore.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
RedPowerBase [RP Base]
(redpowercore.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available