I also had a code chicken core crash, immediately when I tried to start a SSP world on a fresh Tekkit Lite donwload:
---- Minecraft Crash Report ----
// Don't be sad. I'll do better next time, I promise!
Time: 1/4/13 7:13 PM
Description: Code Chicken Core
java.io.FileNotFoundException: C:\Users\Reece\AppData\Roaming\.techniclauncher\tekkitlite\config\NEISubset.cfg (The requested operation cannot be performed on a file with a user-mapped section open)
at java.io.FileOutputStream.open(Native Method)
at java.io.FileOutputStream.<init>(Unknown Source)
at java.io.FileOutputStream.<init>(Unknown Source)
at java.io.PrintWriter.<init>(Unknown Source)
at codechicken.core.ConfigFile.saveConfig(ConfigFile.java:278)
at codechicken.nei.DropDownFile.saveConfig(DropDownFile.java:46)
at codechicken.core.ConfigTag.getTag(ConfigTag.java:41)
at codechicken.nei.SubSetRangeTag.getTag(SubSetRangeTag.java:36)
at codechicken.nei.SubSetRangeTag.getTag(SubSetRangeTag.java:1)
at codechicken.core.ConfigTag.getTag(ConfigTag.java:55)
at codechicken.nei.SubSetRangeTag.getTag(SubSetRangeTag.java:31)
at codechicken.nei.SubSetRangeTag.getTag(SubSetRangeTag.java:1)
at codechicken.core.ConfigTag.getTag(ConfigTag.java:49)
at codechicken.nei.SubSetRangeTag.getTag(SubSetRangeTag.java:36)
at codechicken.nei.SubSetRangeTag.getTag(SubSetRangeTag.java:1)
at codechicken.core.ConfigFile.getTag(ConfigFile.java:224)
at codechicken.nei.DropDownFile.getTag(DropDownFile.java:36)
at codechicken.nei.DropDownFile.getTag(DropDownFile.java:1)
at codechicken.core.ConfigFile.getTag(ConfigFile.java:230)
at codechicken.nei.DropDownFile.getTag(DropDownFile.java:31)
at codechicken.nei.api.API.addSetRange(API.java:198)
at mistaqur.nei.NEIPlugins_IC2.configureItemPanel(NEIPlugins_IC2.java:132)
at mistaqur.nei.NEIPlugins_IC2.init(NEIPlugins_IC2.java:55)
at mistaqur.nei.NEIPlugins.initPlugins(NEIPlugins.java:178)
at mistaqur.nei.NEIPlugins.loadConfig(NEIPlugins.java:168)
at mistaqur.nei.common.NEIPluginsConfig.loadConfig(NEIPluginsConfig.java:10)
at codechicken.nei.NEIClientConfig.loadConfig(NEIClientConfig.java:698)
at codechicken.nei.NEIClientConfig.loadWorld(NEIClientConfig.java:296)
at codechicken.nei.ClientPacketHandler.handleSMPCheck(ClientPacketHandler.java:123)
at codechicken.nei.ClientPacketHandler.handlePacket(ClientPacketHandler.java:26)
at codechicken.core.PacketCustom$ClientPacketHander.handle(PacketCustom.java:90)
at codechicken.core.PacketCustom$CustomPacketHandler.onPacketData(PacketCustom.java:59)
at cpw.mods.fml.common.network.NetworkRegistry.handlePacket(NetworkRegistry.java:243)
at cpw.mods.fml.common.network.NetworkRegistry.handleCustomPacket(NetworkRegistry.java:233)
at cpw.mods.fml.common.network.FMLNetworkHandler.handlePacket250Packet(FMLNetworkHandler.java:71)
at ayh.a(NetClientHandler.java:1478)
at di.a(SourceFile:59)
at cf.b(MemoryConnection.java:80)
at net.minecraft.client.Minecraft.l(Minecraft.java:1909)
at net.minecraft.client.Minecraft.J(Minecraft.java:846)
at net.minecraft.client.Minecraft.run(Minecraft.java:771)
at java.lang.Thread.run(Unknown Source)
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- System Details --
Details:
Minecraft Version: 1.4.6
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.7.0_09, Oracle Corporation
Java VM Version: Java HotSpot 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 739928456 bytes (705 MB) / 1051197440 bytes (1002 MB) up to 2863333376 bytes (2730 MB)
JVM Flags: 1 total; -Xmx3072m
AABB Pool Size: 10817 (605752 bytes; 0 MB) allocated, 10817 (605752 bytes; 0 MB) used
Suspicious classes: FML and Forge are installed
IntCache: cache: 2, tcache: 0, allocated: 1, tallocated: 71
FML: MCP v7.25 FML v4.6.17.515 Minecraft Forge 6.5.0.489 61 mods loaded, 61 mods active
mcp [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
FML [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
Forge [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
mod_CodeChickenCore [CodeChicken Core] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
mod_NotEnoughItems [Not Enough Items] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
TreeCapitator [TreeCapitator] ([1.4.6]TreeCapitator.Forge.1.4.6.r01.Uni.CoreMod.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
mod_ReiMinimap [mod_ReiMinimap] ([1.4.6]ReiMinimap_v3.2_06.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
BuildCraft|Core [buildCraft] (buildcraft-A-3.3.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
BuildCraft|Factory [bC Factory] (buildcraft-A-3.3.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
BuildCraft|Transport [bC Transport] (buildcraft-A-3.3.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
BuildCraft|Silicon [bC Silicon] (buildcraft-A-3.3.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
APUnofficial [Additional Pipes] (AdditionalPipes-2.1.3u38b2-1.4.6.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
ImmibisCore [immibis Core] (immibis-core-52.1.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
IC2 [industrialCraft 2] (industrialcraft-2_1.112.170-lf.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
AdvancedRepulsionSystems [Advanced Repulsion Systems] (adv-repulsion-systems-52.0.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
AdvancedMachines [iC2 Advanced Machines Addon] (AdvancedMachines_1.4.6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
AdvancedPowerManagement [Advanced Power Management] (AdvancedPowerManagement-1.1.55-IC2_1.112.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
BuildCraft|Builders [bC Builders] (buildcraft-A-3.3.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
BuildCraft|Energy [bC Energy] (buildcraft-A-3.3.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
CompactSolars [Compact Solar Arrays] (compactsolars-universal-1.4.6-3.2.0.21.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
ComputerCraft [ComputerCraft] (ComputerCraft1.481.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
CCTurtle [ComputerCraft Turtles] (ComputerCraft1.481.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
DimensionalAnchors [Dimensional Anchors] (dimensional-anchor-52.0.6.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
EE3 [Equivalent Exchange 3] (ee3-universal-pre1f.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
EnderStorage [EnderStorage] (EnderStorage 1.3.1.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
factorization [Factorization] (Factorization-0.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
IC2NuclearControl [Nuclear Control] (IC2NuclearControl-1.4.5.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
mod_InvTweaks [inventory Tweaks] (InventoryTweaks_1.46.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
IronChest [iron Chest] (ironchest-universal-1.4.6-4.5.1.199.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
LogisticsPipes|Main [Logistics Pipes] (LogisticsPipes-MC1.4.6-0.6.9.51.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
MFReloaded [MineFactory Reloaded] (MineFactoryReloaded_2.0.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
MFReloaded|CompatExtraBiomes [MFR Compat: ExtraBiomes] (MineFactoryReloaded_2.0.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
MFReloaded|CompatIC2 [MFR Compat: IC2] (MineFactoryReloaded_2.0.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
MFReloaded|CompatPamsHarvestCraft [MFR Compat: HarvestCraft] (MineFactoryReloaded_2.0.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
RedPowerCore [RedPower] (RedPowerCore-2.0pr6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
RedPowerBase [RP Base] (RedPowerCore-2.0pr6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
RedPowerWorld [RP World] (RedPowerMechanical-2.0pr6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
MFReloaded|CompatRP2 [MFR Compat: RP2] (MineFactoryReloaded_2.0.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
Mystcraft [Mystcraft] (mystcraft-uni-1.4.6-0.9.5.00.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
NEIPlugins [NEI Plugins] (NEIPlugins-1.0.4.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
NetherOres [Nether Ores] (NetherOres_1.4.6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
OmniTools [OmniTools] (OmniTools-2.2.5.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
Railcraft [Railcraft] (Railcraft_1.4.6-6.12.2.0.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
RedPowerMachine [RP Machine] (RedPowerMechanical-2.0pr6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
RedPowerCompat [RP Compat] (RedPowerCompat-2.0pr6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
RedPowerWiring [RP Wiring] (RedPowerDigital-2.0pr6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
RedPowerLogic [RP Logic] (RedPowerDigital-2.0pr6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
RedPowerLighting [RP Lighting] (RedPowerDigital-2.0pr6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
RedPowerControl [RP Control] (RedPowerMechanical-2.0pr6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
StevesCarts [steve's Carts] (StevesCarts2.0.0.a41.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
ThermalExpansion [Thermal Expansion] (ThermalExpansion-2.1.6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
ThermalExpansion|Factory [Factory] (ThermalExpansion-2.1.6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
ThermalExpansion|Energy [Energy] (ThermalExpansion-2.1.6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
ThermalExpansion|Transport [Transport] (ThermalExpansion-2.1.6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
ThermalExpansion|NEI [NEI] (ThermalExpansion-NEI-2.1.6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
snyke7_Transformers [Transformers] (Transformers v1.7b.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
Tubestuff [Tubestuff] (tubestuff-52.0.7.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
weaponmod [balkon's WeaponMod] (Weaponmod.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
WR-CBE|Core [WR-CBE Core] (WR-CBE Core 1.3.2.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
WR-CBE|Addons [WR-CBE Addons] (WR-CBE Addons 1.3.2.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
WR-CBE|RedPower [WR-CBE RedPower] (WR-CBE RedPower 1.3.2.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available