Redstone wireless crash

---- Minecraft Crash Report ----
// Uh... Did I do that?

Time: 31/03/13 22:06
Description: Exception in server tick loop

java.util.ConcurrentModificationException
    at java.util.HashMap$HashIterator.remove(HashMap.java:912)
    at codechicken.wirelessredstone.core.RedstoneEtherServer.unloadJammedMap(RedstoneEtherServer.java:652)
    at codechicken.wirelessredstone.core.RedstoneEtherServer.tick(RedstoneEtherServer.java:641)
    at codechicken.wirelessredstone.core.WRCoreEventHandler.tickEnd(WRCoreEventHandler.java:120)
    at cpw.mods.fml.common.SingleIntervalHandler.tickEnd(SingleIntervalHandler.java:22)
    at cpw.mods.fml.common.FMLCommonHandler.tickEnd(FMLCommonHandler.java:138)
    at cpw.mods.fml.common.FMLCommonHandler.onPostWorldTick(FMLCommonHandler.java:282)
    at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:689)
    at ho.r(DedicatedServer.java:269)
    at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:599)
    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:
---------------------------------------------------------------------------------------

-- System Details --
Details:
    Minecraft Version: 1.4.7
    Operating System: Linux (amd64) version 3.2.13-grsec-xxxx-grs-ipv6-64
    Java Version: 1.7.0_13, Oracle Corporation
    Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 532502392 bytes (507 MB) / 1561268224 bytes (1488 MB) up to 6256590848 bytes (5966 MB)
    JVM Flags: 6 total; -Xmx6000M -Xms1000M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalPacing -XX:ParallelGCThreads=4 -XX:+AggressiveOpts
    AABB Pool Size: 17859 (1000104 bytes; 0 MB) allocated, 162 (9072 bytes; 0 MB) used
    Suspicious classes: FML and Forge are installed
    IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63
    FML: MCP v7.26a FML v4.7.22.539 Minecraft Forge 6.6.0.515 63 mods loaded, 63 mods active
    mcp [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    FML [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    Forge [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    CodeChickenCore [CodeChicken Core] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    NotEnoughItems [Not Enough Items] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    PowerCrystalsCore [PowerCrystals Core] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    MiscPeripheralsASM [MiscPeripherals ASM] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    ComputerCraft [ComputerCraft] (ComputerCraft1.5.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    CCTurtle [ComputerCraft Turtles] (ComputerCraft1.5.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    MiscPeripherals [MiscPeripherals] (miscperipherals-3.1c.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    BiblioCraft [BiblioCraft] (BiblioCraft[v1.1.2].zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    Dynmap [Dynmap] (Dynmap-1.5.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    BuildCraft|Core [BuildCraft] (buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    BuildCraft|Energy [BC Energy] (buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    ExtrabiomesXL [ExtrabiomesXL] (extrabiomesxl.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    Forestry [Forestry for Minecraft] (forestry.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    ThermalExpansion [Thermal Expansion] (thermalexpansion.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    OmniTools [OmniTools] (omnitools.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    IC2 [IndustrialCraft 2] (ic2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    Thaumcraft [Thaumcraft] (Thaumcraft.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    BuildCraft|Builders [BC Builders] (buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    BuildCraft|Transport [BC Transport] (buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    BuildCraft|Silicon [BC Silicon] (buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    factorization [Factorization] (factorization.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    ThermalExpansion|Factory [Factory] (thermalexpansion.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    ThermalExpansion|Transport [Transport] (thermalexpansion.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    LogisticsPipes|Main [Logistics Pipes] (LogisticsPipes-MC1.4.7-0.7.0.95.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    BuildCraft|Factory [BC Factory] (buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    Railcraft [Railcraft] (railcraft.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    ThermalExpansion|Energy [Energy] (thermalexpansion.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    PowerConverters [Power Converters] (PowerConverters-2.2.2-29.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    ChargePads [Charge Pads] (chargepads.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    ChickenChunks [ChickenChunks] (chickenchunks.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    CompactSolars [Compact Solar Arrays] (compactsolars.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    EE3 [Equivalent Exchange 3] (ee3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    EnderStorage [EnderStorage] (enderstorage.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    BinnieCore [Binnie Core] (extrabees.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    ExtraBees [Extra Bees] (extrabees.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    GraviGun [GraviGun] (gravigun.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    GraviSuite [Gravitation Suite] (gravisuite.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    IC2NuclearControl [Nuclear Control] (ic2nuclearcontrol.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    IronChest [Iron Chest] (ironchest.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    ModularForceFieldSystem [Modular ForceField System V2] (modularforcefieldsystem.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    Mystcraft [Mystcraft] (mystcraft.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    ObsidiPlates [Obsidian Pressure Plates] (obsidiplates.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    PortalGun [Portal Gun] (portalgun.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    RedPowerCore [RedPower] (redpowercore.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    RedPowerBase [RP Base] (redpowercore.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    RedPowerMachine [RP Machine] (redpowermechanical.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    RedPowerCompat [RP Compat] (redpowercompat.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    RedPowerWiring [RP Wiring] (redpowerdigital.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    RedPowerLogic [RP Logic] (redpowerdigital.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    RedPowerLighting [RP Lighting] (redpowerdigital.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    RedPowerWorld [RP World] (redpowermechanical.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    RedPowerControl [RP Control] (redpowermechanical.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    SoulShards [SoulShards] (soulshards.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    StevesCarts [Steve's Carts] (stevescarts.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    ThermalExpansion|NEI [NEI] (thermalexpansion.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    TwilightForest [The Twilight Forest] (twilightforest.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    WR-CBE|Core [WR-CBE Core] (wirelessredstonecore.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    WR-CBE|Addons [WR-CBE Addons] (wirelessredstoneaddons.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    WR-CBE|RedPower [WR-CBE RedPower] (wirelessredstoneredpower.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    XyCraft [XyCraft] (xycraft.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    Profiler Position: N/A (disabled)
    Vec3 Pool Size: 60985 (3415160 bytes; 3 MB) allocated, 2916 (163296 bytes; 0 MB) used
    Player Count: 0 / 20; []
    Is Modded: Definitely; Server brand changed to 'fml'
    Type: Dedicated Server (map_server.txt)