Crash Report

---- Minecraft Crash Report ----
// Oops.

Time: 6/25/14 6:50 PM
Description: There was a severe problem during mod loading that has caused the game to fail

cpw.mods.fml.common.LoaderException: java.lang.ExceptionInInitializerError
	at cpw.mods.fml.common.LoadController.transition(LoadController.java:156)
	at cpw.mods.fml.common.Loader.initializeMods(Loader.java:705)
	at cpw.mods.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:249)
	at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:509)
	at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:808)
	at net.minecraft.client.main.Main.main(SourceFile:101)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:131)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
Caused by: java.lang.ExceptionInInitializerError
	at codechicken.nei.api.API.addKeyBind(API.java:243)
	at mcp.mobius.waila.client.ConfigKeyHandler.<init>(ConfigKeyHandler.java:64)
	at mcp.mobius.waila.client.ProxyClient.registerHandlers(ProxyClient.java:75)
	at mcp.mobius.waila.Waila.postInit(Waila.java:77)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:545)
	at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)
	at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
	at com.google.common.eventbus.EventBus.dispatch(EventBus.java:313)
	at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
	at com.google.common.eventbus.EventBus.post(EventBus.java:267)
	at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:201)
	at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:181)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)
	at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
	at com.google.common.eventbus.EventBus.dispatch(EventBus.java:313)
	at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
	at com.google.common.eventbus.EventBus.post(EventBus.java:267)
	at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:112)
	at cpw.mods.fml.common.Loader.initializeMods(Loader.java:704)
	... 10 more
Caused by: java.lang.RuntimeException: java.io.FileNotFoundException: C:\Users\Owner\Downloads\FTB New\Direwolf20_1_6_4\minecraft\config\NEI.cfg (The requested operation cannot be performed on a file with a user-mapped section open)
	at codechicken.lib.config.ConfigFile.saveConfig(ConfigFile.java:134)
	at codechicken.lib.config.ConfigTag.saveConfig(ConfigTag.java:30)
	at codechicken.lib.config.ConfigTag.saveConfig(ConfigTag.java:30)
	at codechicken.lib.config.ConfigTagParent.setComment(ConfigTagParent.java:70)
	at codechicken.lib.config.ConfigTag.setComment(ConfigTag.java:234)
	at codechicken.nei.NEIClientConfig.setDefaults(NEIClientConfig.java:102)
	at codechicken.nei.NEIClientConfig.<clinit>(NEIClientConfig.java:78)
	... 40 more
Caused by: java.io.FileNotFoundException: C:\Users\Owner\Downloads\FTB New\Direwolf20_1_6_4\minecraft\config\NEI.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.lib.config.ConfigFile.saveConfig(ConfigFile.java:130)
	... 46 more


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
	Minecraft Version: 1.6.4
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 273958288 bytes (261 MB) / 1144389632 bytes (1091 MB) up to 1431699456 bytes (1365 MB)
	JVM Flags: 3 total; -Xms256M -Xmx1536M -XX:PermSize=256m
	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: 0, tallocated: 0
	FML: MCP v8.11 FML v6.4.49.965 Minecraft Forge 9.11.1.965 142 mods loaded, 142 mods active