Memory leak!

---- Minecraft Crash Report ----
// Oh - I know what I did wrong!

Time: 02.10.13 22:49
Description: Ticking tile entity

java.lang.NoClassDefFoundError: logisticspipes/routing/RoutedEntityItem
at logisticspipes.proxy.buildcraft.BuildCraftProxy.CreateRoutedItem(BuildCraftProxy.java:191)
at logisticspipes.proxy.buildcraft.BuildCraftProxy.CreateRoutedItem(BuildCraftProxy.java:198)
at logisticspipes.pipes.PipeItemsProviderLogistics.sendStack(PipeItemsProviderLogistics.java:176)
at logisticspipes.pipes.PipeItemsProviderLogistics.enabledUpdateEntity(PipeItemsProviderLogistics.java:244)
at logisticspipes.pipes.basic.CoreRoutedPipe.updateEntity(CoreRoutedPipe.java:403)
at buildcraft.transport.TileGenericPipe.func_70316_g(TileGenericPipe.java:169)
at net.minecraft.world.World.func_72939_s(World.java:2209)
at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:552)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:666)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:585)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:175)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:482)
at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:582)
Caused by: java.lang.ClassNotFoundException: logisticspipes.routing.RoutedEntityItem
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:179)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 13 more
Caused by: java.lang.OutOfMemoryError: PermGen space
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:792)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:171)
... 15 more

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

-- Head --
Stacktrace:
at logisticspipes.proxy.buildcraft.BuildCraftProxy.CreateRoutedItem(BuildCraftProxy.java:191)
at logisticspipes.proxy.buildcraft.BuildCraftProxy.CreateRoutedItem(BuildCraftProxy.java:198)
at logisticspipes.pipes.PipeItemsProviderLogistics.sendStack(PipeItemsProviderLogistics.java:176)
at logisticspipes.pipes.PipeItemsProviderLogistics.enabledUpdateEntity(PipeItemsProviderLogistics.java:244)
at logisticspipes.pipes.basic.CoreRoutedPipe.updateEntity(CoreRoutedPipe.java:403)
at buildcraft.transport.TileGenericPipe.func_70316_g(TileGenericPipe.java:169)

-- Tile entity being ticked --
Details:
Name: logisticspipes.pipes.basic.LogisticsTileGenericPipe // logisticspipes.pipes.basic.LogisticsTileGenericPipe
Block type: ID #1513 (tile.null // logisticspipes.pipes.basic.LogisticsBlockGenericPipe)
Block data value: 0 / 0x0 / 0b0000
Block location: World: (702,8,264), Chunk: (at 14,0,8 in 43,16; contains blocks 688,0,256 to 703,255,271), Region: (1,0; contains chunks 32,0 to 63,31, blocks 512,0,0 to 1023,255,511)
Actual block type: ID #1513 (tile.null // logisticspipes.pipes.basic.LogisticsBlockGenericPipe)
Actual block data value: 0 / 0x0 / 0b0000
LP-Version: 0.7.4.dev.53:false
Pipe: logisticspipes.pipes.PipeItemsProviderLogistics
Transport: logisticspipes.transport.PipeTransportLogistics
Router: ServerRouter: {ID: 2, UUID: 7bd8c01f-d1ba-419b-bc02-7e41fe5c641e, AT: (0, 702, 8, 264), Version: 6), Destroied: false}
stillNeedReplace: false
Stacktrace:
at net.minecraft.world.World.func_72939_s(World.java:2209)
at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:552)

-- Affected level --
Details:
Level name: New World
All players: 1 total; [EntityPlayerMP['KOJAN'/34092, l='New World', x=698,34, y=8,00, z=264,63]]
Chunk stats: ServerChunkCache: 441 Drop: 0
Level seed: -7134519336429333386
Level generator: ID 01 - flat, ver 0. Features enabled: false
Level generator options: 2;7,3x1,4x42;2;
Level spawn location: World: (699,4,249), Chunk: (at 11,0,9 in 43,15; contains blocks 688,0,240 to 703,255,255), Region: (1,0; contains chunks 32,0 to 63,31, blocks 512,0,0 to 1023,255,511)
Level time: 12414 game time, 6207 day time
Level dimension: 0
Level storage version: 0x04ABD - Anvil
Level weather: Rain time: 8408 (now: false), thunder time: 148516 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:666)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:585)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:175)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:482)
at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:582)

-- System Details --
Details:
Minecraft Version: 1.6.2
Operating System: Mac OS X (x86_64) version 10.9
Java Version: 1.7.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 1130162272 bytes (1077 MB) / 1742491648 bytes (1661 MB) up to 4151836672 bytes (3959 MB)
JVM Flags: 3 total; -Xmx4096m -XX:+AggressiveOpts -XX:+UseFastAccessorMethods
AABB Pool Size: 168 (9408 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: 60
FML: ?aKDev Group | ?bmine-craft.su
mcp{8.04} Minecraft Coder Pack Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
FML{6.2.62.871} Forge Mod Loader Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
Forge{9.10.1.871} Minecraft Forge Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
CodeChickenCore{0.9.0.5} CodeChicken Core Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
NotEnoughItems{1.6.1.3} Not Enough Items Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
Novamenu{1.1.2} Novamenu Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
SomniaCore{1.0.3} SomniaCore Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
AppliedEnergistics-Core{rv13.c} AppliedEnergistics Core Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
mod_bspkrsCore{v3.05(1.6.2)} bspkrsCore Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
BiomesOPlenty{1.1.2} Biomes O' Plenty Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
CarpentersBlocks{v1.84} Carpenter's Blocks Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
ChickenChunks{1.3.3.2} ChickenChunks Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
ConfigMod{v1.0} Extended Mod Config Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
CoroAI{v1.0} CoroAI Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
EnderStorage{1.4.3.3} EnderStorage Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
ExtendedRenderer{v1.0} Extended Renderer Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
AppliedEnergistics{rv13.c} Applied Energistics Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
extracells{1.4.5} ExtraCells Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
GregsLighting{1.9.0} Greg's Lighting Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
IC2{2.0.239-experimental} IndustrialCraft 2 Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
IC2NuclearControl{1.6.2c} Nuclear Control Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
BuildCraft|Core{4.1.0} BuildCraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
BuildCraft|Builders{4.1.0} BC Builders Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
BuildCraft|Transport{4.1.0} BC Transport Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
BuildCraft|Silicon{4.1.0} BC Silicon Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
Forestry{2.3.0.2_ic2.ex} Forestry for Minecraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
LogisticsPipes|Main{0.7.4.dev.53} Logistics Pipes Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
ForgeMultipart{1.0.0.171} Forge Multipart Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
ProjRed|Core{4.0.1.4} Project: Red-Core Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
TConstruct{1.6.2_1.4.5} Tinkers' Construct Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
ProjRed|Compatability{4.0.1.4} ProjectRed-Compatability Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
ProjRed|Integration{4.0.1.4} ProjectRed-Integration Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
ProjRed|Transmission{4.0.1.4} ProjectRed-Transmission Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
ProjRed|Exploration{4.0.1.4} ProjectRed-Exploration Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
ProjRed|Illumination{4.0.1.4} ProjectRed-Illumination Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
BuildCraft|Energy{4.1.0} BC Energy Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
BuildCraft|Factory{4.1.0} BC Factory Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
QuarryPlus{1.5.4} QuarryPlus Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
Railcraft{8.0.2.0} Railcraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
Somnia{1.0.1} Somnia Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
TConstruct|CompatMineFactoryReloaded{0.1} TConstruct Compat: MFR Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
TimeScaler{1.1} TimeScaler Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
TreeCapitator{Forge 1.6.2.r05} Treecapitator Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
fodc{1.4.0} Ore Dictionary Converter Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
ImmibisCore{56.0.3} Immibis Core Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
LiquidXP{56.0.2} Liquid XP Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
gregtech_addon{MC162} GregTech-Addon Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
IronChest{5.3.20.549} Iron Chest Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
magicalcrops{3.0.6 BETA} Magical Crops Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
MapWriter{2.0} MapWriter Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
TEOreGen{0.1} TEOreGen Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
Mystcraft{0.10.6.00} Mystcraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
McMultipart{1.0.0.171} Minecraft Multipart Plugin Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
ForgeMicroblock{1.0.0.171} Forge Microblocks Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
Profiler Position: N/A (disabled)
Vec3 Pool Size: 6 (336 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Player Count: 1 / 8; [EntityPlayerMP['KOJAN'/34092, l='New World', x=698,34, y=8,00, z=264,63]]
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'

Not a mem leak, you just ran out of permgen space. Increase it with -XX:PermSize=64m

Thanks!