Mapwriter/JewelryCraft crash on world generation

---- Minecraft Crash Report ----
// Ouch. That hurt :(

Time: 05/06/15 8:04 AM
Description: Unexpected error

java.lang.ArrayIndexOutOfBoundsException: 16
	at darkknight.jewelrycraft.block.BlockShadow.func_149691_a(BlockShadow.java:191)
	at mapwriter.BlockColourGen.genBlockColours(BlockColourGen.java:154)
	at mapwriter.Mw.reloadBlockColours(Mw.java:398)
	at mapwriter.Mw.load(Mw.java:514)
	at mapwriter.Mw.onTick(Mw.java:597)
	at mapwriter.forge.MwForge.renderMap(MwForge.java:55)
	at cpw.mods.fml.common.eventhandler.ASMEventHandler_28_MwForge_renderMap_Post.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.minecraftforge.client.GuiIngameForge.post(GuiIngameForge.java:899)
	at net.minecraftforge.client.GuiIngameForge.func_73830_a(GuiIngameForge.java:176)
	at net.minecraft.client.renderer.EntityRenderer.func_78480_b(EntityRenderer.java:1038)
	at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:989)
	at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:887)
	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)
	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 org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:310)
	at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:394)
	at org.multimc.EntryPoint.listen(EntryPoint.java:170)
	at org.multimc.EntryPoint.main(EntryPoint.java:54)


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

-- Head --
Stacktrace:
	at darkknight.jewelrycraft.block.BlockShadow.func_149691_a(BlockShadow.java:191)
	at mapwriter.BlockColourGen.genBlockColours(BlockColourGen.java:154)
	at mapwriter.Mw.reloadBlockColours(Mw.java:398)
	at mapwriter.Mw.load(Mw.java:514)
	at mapwriter.Mw.onTick(Mw.java:597)
	at mapwriter.forge.MwForge.renderMap(MwForge.java:55)
	at cpw.mods.fml.common.eventhandler.ASMEventHandler_28_MwForge_renderMap_Post.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.minecraftforge.client.GuiIngameForge.post(GuiIngameForge.java:899)
	at net.minecraftforge.client.GuiIngameForge.func_73830_a(GuiIngameForge.java:176)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [EntityClientPlayerMP['Jenns_Gaming'/206, l='MpServer', x=-240.50, y=71.62, z=250.50]]
	Chunk stats: MultiplayerChunkCache: 0, 0
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options:
	Level spawn location: World: (-240,64,252), Chunk: (at 0,4,12 in -15,15; contains blocks -240,0,240 to -225,255,255), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 7 game time, 7 day time
	Level dimension: 0
	Level storage version: 0x00000 - Unknown?
	Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
	Forced entities: 1 total; [EntityClientPlayerMP['Jenns_Gaming'/206, l='MpServer', x=-240.50, y=71.62, z=250.50]]
	Retry entities: 0 total; []
	Server brand: fml,forge
	Server type: Integrated singleplayer server
Stacktrace:
	at net.minecraft.client.multiplayer.WorldClient.func_72914_a(WorldClient.java:373)
	at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2432)
	at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:916)
	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)
	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 org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:310)
	at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:394)
	at org.multimc.EntryPoint.listen(EntryPoint.java:170)
	at org.multimc.EntryPoint.main(EntryPoint.java:54)

-- System Details --
Details:
	Minecraft Version: 1.7.10
	Operating System: Windows 8.1 (amd64) version 6.3
	Java Version: 1.8.0_11, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 503302032 bytes (479 MB) / 813694976 bytes (776 MB) up to 954728448 bytes (910 MB)
	JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xms512m -Xmx1024m
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
	FML: MCP v9.05 FML v7.10.113.1387 Minecraft Forge 10.13.3.1387 5 mods loaded, 5 mods active
	mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	FML{7.10.113.1387} [Forge Mod Loader] (forge-1.7.10-10.13.3.1387-1.7.10-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	Forge{10.13.3.1387} [Minecraft Forge] (forge-1.7.10-10.13.3.1387-1.7.10-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	jewelrycraft2{1.0.10} [Jewelrycraft 2] ([1.7.10] Jewelrycraft2-1.0.10-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	MapWriter{2.1.1} [MapWriter] (Mapwriter-B-1.7.10-1.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	Launched Version: MultiMC5
	LWJGL: 2.9.1
	OpenGL: GeForce GTX 650/PCIe/SSE2 GL version 4.5.0 NVIDIA 350.12, NVIDIA Corporation
	GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Anisotropic filtering is supported and maximum anisotropy is 16.
Shaders are available because OpenGL 2.1 is supported.

	Is Modded: Definitely; Client brand changed to 'fml,forge'
	Type: Client (map_client.txt)
	Resource Packs: []
	Current Language: English (US)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Anisotropic Filtering: Off (1)