java.lang.IllegalArgumentException
	at java.nio.Buffer.position(Unknown Source)
	at mapwriter.Texture.getRGB(Texture.java:77)
	at mapwriter.BlockColourGen.getIconMapColour(BlockColourGen.java:31)
	at mapwriter.BlockColourGen.genBlockColours(BlockColourGen.java:145)
	at mapwriter.Mw.reloadBlockColours(Mw.java:398)
	at mapwriter.Mw.load(Mw.java:514)
	at mapwriter.Mw.onChunkLoad(Mw.java:647)
	at mapwriter.forge.EventHandler.eventChunkLoad(EventHandler.java:23)
	at cpw.mods.fml.common.eventhandler.ASMEventHandler_1021_EventHandler_eventChunkLoad_Load.invoke(.dynamic)
	at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54)
	at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:138)
	at net.minecraft.client.multiplayer.ChunkProviderClient.func_73158_c(ChunkProviderClient.java:59)
	at net.minecraft.client.multiplayer.WorldClient.func_73025_a(WorldClient.java:144)
	at net.minecraft.client.network.NetHandlerPlayClient.func_147269_a(NetHandlerPlayClient.java:1186)
	at net.minecraft.network.play.server.S26PacketMapChunkBulk.func_148833_a(S26PacketMapChunkBulk.java:184)
	at net.minecraft.network.play.server.S26PacketMapChunkBulk.func_148833_a(S26PacketMapChunkBulk.java:242)
	at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:212)
	at net.minecraft.client.multiplayer.GuiConnecting.func_73876_c(SourceFile:78)
	at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1661)
	at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:973)
	at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:898)
	at net.minecraft.client.main.Main.main(SourceFile:148)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)