Ticking memory connection java.lang.ArrayIndexOutOfBoundsException: 4

Minecraft Crash Report ----
// You're mean.

Time: 02.03.13 19:26
Description: Ticking memory connection

java.lang.ArrayIndexOutOfBoundsException: 4
at qx.b(EntityPlayer.java:2278)
at md.c(EntityLiving.java:1912)
at qx.c(EntityPlayer.java:560)
at md.j_(EntityLiving.java:806)
at qx.j_(EntityPlayer.java:328)
at iq.g(EntityPlayerMP.java:286)
at iv.a(NetServerHandler.java:310)
at eb.a(SourceFile:136)
at cf.b(MemoryConnection.java:80)
at iv.d(NetServerHandler.java:136)
at iw.b(NetworkListenThread.java:57)
at bec.b(IntegratedServerListenThread.java:108)
at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:703)
at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:599)
at bdz.q(IntegratedServer.java:159)
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:
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– System Details –
Details:
Minecraft Version: 1.4.7
Operating System: Windows 8 (amd64) version 6.2
Java Version: 1.7.0_13, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 1717560816 bytes (1637 MB) / 2106261504 bytes (2008 MB) up to 2106261504 bytes (2008 MB)
JVM Flags: 2 total; -Xmx2048M -Xms2048M
AABB Pool Size: 2554 (143024 bytes; 0 MB) allocated, 2554 (143024 bytes; 0 MB) used
Suspicious classes: FML and Forge are installed
IntCache: cache: 0, tcache: 0, allocated: 1, tallocated: 63
FML: MCP v7.26 FML v4.7.4.520 Minecraft Forge 6.6.0.497 Optifine OptiFine_1.4.6_HD_U_A2 18 mods loaded, 18 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_TooManyItems [mod_TooManyItems] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
mod_InvTweaks [Inventory Tweaks] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
mod_ReiMinimap [mod_ReiMinimap] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
UpdateManager_TheWhiteWolves [Mod Update Manager] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
mod_BasisNewBlocks [mod_BasisNewBlocks] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
mod_BasisNewBlocksaddonminecraftblocktools [mod_BasisNewBlocksaddonminecraftblocktools] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
mod_neuerezepte [mod_neuerezepte] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
mod_drugs [mod_drugs] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
DynamicLights [Dynamic Lights] (DynamicLights_1.4.6.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
DynamicLights_onFire [Dynamic Lights on burning] (DynamicLights_1.4.6.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
DynamicLights_creepers [Dynamic Lights on Creepers] (DynamicLights_1.4.6.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
DynamicLights_dropItems [Dynamic Lights on ItemEntities] (DynamicLights_1.4.6.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
DynamicLights_flameArrows [Dynamic Lights on Flame enchanted Arrows] (DynamicLights_1.4.6.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
DynamicLights_otherPlayers [Dynamic Lights Other Player Light] (DynamicLights_1.4.6.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
DynamicLights_thePlayer [Dynamic Lights Player Light] (DynamicLights_1.4.6.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Player Count: 1 / 8; [iq['TheCyberfreak100'/63, l='mineman', x=27,45, y=68,00, z=-85,30]]
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'forge,fml'