1.5.2 v0.8 WGT TT error

2013-07-10 12:36:24 [SEVERE] [TickThreading] Exception ticking entity EntityPlay
erMP['vvvvvvvv'/587, l='152_world', x=2648.15, y=55.00, z=-1140.76] in rX: 165,
rZ: -72, hashCode: -4718427/152_world/0:
java.util.ConcurrentModificationException
        at java.util.ArrayList$Itr.checkForComodification(Unknown Source)
        at java.util.ArrayList$Itr.next(Unknown Source)
        at appeng.me.crafting.CraftRequest.populateJobPacket(CraftRequest.java:2
47)
        at appeng.me.crafting.CraftRequest.populateJobPacket(CraftRequest.java:2
48)
        at appeng.me.tile.TileController.getJobStatus_sync0(TileController.java:
260)
        at appeng.me.tile.TileController.getJobStatus(TileController.java)
        at appeng.me.container.ContainerCraftingMonitor.updateClient(ContainerCr
aftingMonitor.java:130)
        at appeng.me.container.ContainerCraftingMonitor.triggerUpdate(ContainerC
raftingMonitor.java:174)
        at appeng.me.container.ContainerCraftingMonitor.func_75142_b(ContainerCr
aftingMonitor.java:165)
        at net.minecraft.entity.player.EntityPlayerMP.func_70071_h_(EntityPlayer
MP.java:22)
        at net.minecraft.world.World.func_72866_a(World.java:391)
        at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:717)
        at net.minecraft.world.World.func_72870_g(World.java:2304)
        at nallar.tickthreading.minecraft.tickregion.EntityTickRegion.doTick(Ent
ityTickRegion.java:55)
        at nallar.tickthreading.minecraft.tickregion.TickRegion.run(TickRegion.j
ava:35)
        at nallar.tickthreading.minecraft.ThreadManager$2.run(ThreadManager.java
:101)
        at nallar.tickthreading.minecraft.ThreadManager$1.run(ThreadManager.java
:43)
        at nallar.tickthreading.util.FakeServerThread.run(FakeServerThread.java:
16)