Optifine Dummy Container Error

---- Minecraft Crash Report ----
// Who set us up the TNT?

Time: 11/27/12 5:19 PM
Description: Failed to start game

cpw.mods.fml.common.LoaderException: java.lang.RuntimeException: unknown character :
	at cpw.mods.fml.common.Loader.identifyMods(Loader.java:322)
	at cpw.mods.fml.common.Loader.loadMods(Loader.java:457)
	at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:151)
	at net.minecraft.client.Minecraft.a(Minecraft.java:424)
	at net.minecraft.client.Minecraft.run(Minecraft.java:756)
	at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.RuntimeException: unknown character :
	at net.minecraftforge.common.Configuration.load(Configuration.java:375)
	at net.minecraftforge.common.Configuration.<init>(Configuration.java:85)
	at net.minecraftforge.common.ForgeDummyContainer.<init>(ForgeDummyContainer.java:44)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
	at java.lang.reflect.Constructor.newInstance(Unknown Source)
	at java.lang.Class.newInstance0(Unknown Source)
	at java.lang.Class.newInstance(Unknown Source)
	at cpw.mods.fml.common.Loader.identifyMods(Loader.java:317)
	... 5 more


A detailed walkthrough of the error, its code path and all known details is as follows:
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-- System Details --
Details:
	Minecraft Version: 1.4.5
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_05, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 963087040 bytes (918 MB) / 1029046272 bytes (981 MB) up to 1908932608 bytes (1820 MB)
	JVM Flags: 2 total; -Xms1024m -Xmx2048m
	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 v7.23 FML v4.5.2.459 Minecraft Forge 6.4.0.395 Optifine OptiFine_1.4.5_HD_U_D3 2 mods loaded, 0 mods active
	mcp [Minecraft Coder Pack] (minecraft.jar)
	FML [Forge Mod Loader] (coremods)
	LWJGL: 2.4.2
	OpenGL: Intel(R) HD Graphics GL version 2.1.0 - Build 8.15.10.2189, Intel
	Is Modded: Definitely; Client brand changed to 'forge,fml'
	Type: Client (map_client.txt)
	Texture Pack: Default
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: ~~ERROR~~ NullPointerException: null