Crash When Enabling Multiworld Support In FTB Unleashed 1.5.2(Re-created In Multi MC)

[ghost]

I know this is unlikely to be fixed but after pressing ok to enabling multiworld support minecraft crashes, heres the report.

  Minecraft has crashed!      
  ----------------------      

Minecraft has stopped running because it encountered a problem; Updating screen events

A full error report has been saved to C:\Users\Liam\Desktop\Minecraft\MultiMC\instances\1.5.2\minecraft\crash-reports\crash-2016-09-02_14.57.11-client.txt - Please include a copy of that file (Not this screen!) if you report this crash to anyone; without it, they will not be able to help fix the crash :(

--- BEGIN ERROR REPORT 64adebb7 --------
Full report at:
C:\Users\Liam\Desktop\Minecraft\MultiMC\instances\1.5.2\minecraft\crash-reports\crash-2016-09-02_14.57.11-client.txt
Please show that file to Mojang, NOT just this screen!

Generated 2/09/16 2:57 PM

-- Head --
Stacktrace:
at GuiWDLMultiworldSelect.(GuiWDLMultiworldSelect.java:32)
at GuiWDLMultiworld.func_73875_a(GuiWDLMultiworld.java:47)
at net.minecraft.client.gui.GuiScreen.func_73864_a(SourceFile:72)
at GuiWDLMultiworld.func_73864_a(GuiWDLMultiworld.java:67)
at net.minecraft.client.gui.GuiScreen.func_73867_d(SourceFile:127)
at net.minecraft.client.gui.GuiScreen.func_73862_m(SourceFile:111)

-- Affected screen --
Details:
Screen name: GuiWDLMultiworld

-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [EntityClientPlayerMP['2316486'/398680, l='MpServer', x=3140.80, y=65.62, z=162.01]]
Chunk stats: MultiplayerChunkCache: 169
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: World: (3121,63,149), Chunk: (at 1,3,5 in 195,9; contains blocks 3120,0,144 to 3135,255,159), Region: (6,0; contains chunks 192,0 to 223,31, blocks 3072,0,0 to 3583,255,511)
Level time: 1270954432 game time, 1273558526 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: survival (ID 0). Hardcore: false. Cheats: false
Forced entities: 22 total; [EntityWaypoint['unknown'/192, l='MpServer', x=-8758.00, y=70.00, z=62088.00], EntityWaypoint['unknown'/193, l='MpServer', x=2144.00, y=88.00, z=1048.00], EntityWaypoint['unknown'/194, l='MpServer', x=28292.00, y=65.00, z=13755.00], EntityWaypoint['unknown'/195, l='MpServer', x=29013.00, y=89.00, z=15604.00], EntityWaypoint['unknown'/196, l='MpServer', x=2659.00, y=61.00, z=70.00], EntityWaypoint['unknown'/197, l='MpServer', x=31215.00, y=65.00, z=-25026.00], EntityWaypoint['unknown'/198, l='MpServer', x=3154.00, y=63.00, z=128.00], EntityClientPlayerMP['2316486'/398680, l='MpServer', x=3140.80, y=65.62, z=162.01], EntitySquid['Squid'/398994, l='MpServer', x=3154.28, y=50.66, z=211.88], EntitySquid['Squid'/398992, l='MpServer', x=3149.56, y=53.03, z=197.41], EntitySquid['Squid'/398993, l='MpServer', x=3144.75, y=52.50, z=201.66], EntityMinecartChest['entity.MinecartChest.name'/398687, l='MpServer', x=3201.50, y=15.50, z=107.50], EntityMinecartChest['entity.MinecartChest.name'/398684, l='MpServer', x=3196.50, y=15.50, z=117.50], EntityItem['item.tile.mfr.rubberwood.sapling'/398682, l='MpServer', x=3107.56, y=63.13, z=124.56], EntityItem['item.tile.sapling.oak'/398683, l='MpServer', x=3136.22, y=62.13, z=111.63], EntityCreeper['Creeper'/398681, l='MpServer', x=3145.50, y=19.00, z=203.50], BT_EntityBackItem['unknown'/186, l='MpServer', x=3140.80, y=65.62, z=162.01], EntityWaypoint['unknown'/187, l='MpServer', x=8061.00, y=68.00, z=9702.00], EntityWaypoint['unknown'/188, l='MpServer', x=16360.00, y=65.00, z=32879.00], EntityWaypoint['unknown'/189, l='MpServer', x=1776.00, y=74.00, z=2262.00], EntityWaypoint['unknown'/190, l='MpServer', x=3117.00, y=64.00, z=157.00], EntityWaypoint['unknown'/191, l='MpServer', x=0.00, y=85.00, z=0.00]]
Retry entities: 0 total; []
Stacktrace:
at net.minecraft.client.multiplayer.WorldClient.func_72914_a(WorldClient.java:441)
at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2414)
at net.minecraft.client.Minecraft.run(Minecraft.java:776)
at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
Minecraft Version: 1.5.2
Operating System: Windows 8.1 (amd64) version 6.3
Java Version: 1.8.0_101, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 2213456616 bytes (2110 MB) / 3541041152 bytes (3377 MB) up to 5726797824 bytes (5461 MB)
JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xms2048m -Xmx6144m
AABB Pool Size: 17649 (988344 bytes; 0 MB) allocated, 2 (112 bytes; 0 MB) used
Suspicious classes: FML and Forge are installed
IntCache: cache: 0, tcache: 0, allocated: 6, tallocated: 62
FML: MCP v7.51 FML v5.2.23.737 Minecraft Forge 7.8.1.737 118 mods loaded, 118 mods active
mcp{7.51} Minecraft Coder Pack Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
FML{5.2.23.737} Forge Mod Loader Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Forge{7.8.1.737} Minecraft Forge Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
CodeChickenCore{0.8.7.3} CodeChicken Core Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
CoFHFramework{1.5.2.5} CoFH Framework Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
InfiniBows{1.0.0 build 10} Infinity Bow Fix Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
NotEnoughItems{1.5.2.28} Not Enough Items Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
OmniumCore{Beta-84} CCM Core Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
PowerCrystalsCore{1.1.6} PowerCrystals Core Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
CoFHCore{1.5.2.5} CoFHCore Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
CoFHWorld{1.5.2.5} CoFHWorld Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
denLib{3.0.14} denLib Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
CreeperCollateral{2.0.3} CreeperCollateral Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
nucleum_omnium{Beta-84} Nucleum Omnium Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
nucleum_world{Beta-84} Nucleum World Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ThermalExpansion{2.4.6.0} Thermal Expansion Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
IC2{1.116.364-lf} IndustrialCraft 2 Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
AdvancedPowerManagement{1.2.68-IC2-1.115} Advanced Power Management Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
AdvancedSolarPanel{3.3.7} Advanced Solar Panels Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BuildCraft|Core{3.7.2} BuildCraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BuildCraft|Transport{3.7.2} BC Transport Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BuildCraft|Silicon{3.7.2} BC Silicon Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BuildCraft|Builders{3.7.2} BC Builders Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BuildCraft|Energy{3.7.2} BC Energy Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BuildCraft|Factory{3.7.2} BC Factory Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MineFactoryReloaded{1.5.1R2.6.4} MineFactory Reloaded Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
AppliedEnergistics{rv13.c} Applied Energistics Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
mod_BackTools{1.5.2v1} mod_BackTools Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BiblioCraft{1.3.3} BiblioCraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BiblioWoodsBoP{0.1} BiblioWoods Biomes O'Plenty Edition Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MineFactoryReloaded|CompatForestryPre{1.5.1R2.6.4} MFR Compat: Forestry (2) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Forestry{2.2.8.4} Forestry for Minecraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BiblioWoodsForestry{0.1} BiblioWoods Forestry Edition Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BinnieCore{1.7.5} Binnie Core Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ExtraBees{1.7.5} Extra Bees Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ExtraTrees{1.7.5} Extra Trees Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ChargePads{2.7.1} Charge Pads Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ChickenChunks{1.3.2.14} [ChickenChunks](ChickenChunks 1.3.2.14.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
CompactSolars{4.2.0.52} Compact Solar Arrays Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ComputerCraft{1.53} ComputerCraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
CCTurtle{1.53} ComputerCraft Turtles Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
DamageIndicatorsMod{2.7.0.1} Damage Indicators Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
EnderStorage{1.4.2.16} [EnderStorage](EnderStorage 1.4.2.16.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
factorization{0.8.01} Factorization Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
IronChest{5.2.8.447} Iron Chest Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
mmmPowersuits{0.7.1-575} MachineMuse's Modular Powersuits Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Natura{2.1.5} Natura Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Railcraft{7.3.0.0} Railcraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
TConstruct{1.5.2_1.4.3d7} Tinkers' Construct Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Thaumcraft{3.0.5h1} Thaumcraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
TwilightForest{1.18.2} The Twilight Forest Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
DartCraft{Beta 0.1.20} [DartCraft](DartCraft Beta 0.1.20.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
DenPipes-Forestry{1.0.4} DenPipes-Forestry Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
DenPipes-Emerald{1.0.2} DenPipes-Emerald Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
DenPipes{2.0.7} DenPipes Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
EE3{pre1h (build 16)} Equivalent Exchange 3 Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ExtraUtilities{0.2.4g} [Extra Utilities](extrautils - 0.2.4g.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
factorization.misc{0.8.01} Factorization Miscellaneous Nonsense Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
factorization.dimensionalSlice{0.8.01} Factorization Dimensional Slices Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
flatsigns{1.3.1} Flat Signs Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
CCMultipart{1.0.0.149} Forge Multipart Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
CCMicroblock{1.0.0.149} Forge Microblocks Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
McMultipart{1.0.0.149} Minecraft Multipart Plugin Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
GateCopy{3.0.2} GateCopy Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
GraviSuite{1.9.3} Gravitation Suite Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
iChunUtil{1.0.1} iChunUtil Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
GraviGun{1.5.1} GraviGun Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
IC2NuclearControl{1.5.1e} Nuclear Control Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
inventorytweaks{1.54b} Inventory Tweaks Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
LogisticsPipes|Main{0.7.3.ftb.631} Logistics Pipes Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MagicBees{2.1.1} Magic Bees Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MFFS{3.1.0} Modular Force Field System Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MineFactoryReloaded|CompatAppliedEnergistics{1.5.1R2.6.4} MFR Compat: Applied Energistics Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MineFactoryReloaded|CompatAtum{1.5.1R2.6.4} MFR Compat: Atum Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MineFactoryReloaded|CompatBackTools{1.5.1R2.6.4} MFR Compat: BackTools Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MineFactoryReloaded|CompatBiomesOPlenty{1.5.1R2.6.4} MFR Compat: Biomes O' Plenty Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MineFactoryReloaded|CompatChococraft{1.5.1R2.6.4} MFR Compat: Chococraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MineFactoryReloaded|CompatExtraBiomes{1.5.1R2.6.4} MFR Compat: ExtraBiomes Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MineFactoryReloaded|CompatForestry{1.5.1R2.6.4} MFR Compat: Forestry Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MineFactoryReloaded|CompatIC2{1.5.1R2.6.4} MFR Compat: IC2 Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MineFactoryReloaded|CompatMagicalCrops{1.5.1R2.6.4} MFR Compat: Magical Crops Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Mystcraft{0.10.5.00} Mystcraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MineFactoryReloaded|CompatMystcraft{1.5.1R2.6.4} MFR Compat: Mystcraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MineFactoryReloaded|CompatPams{1.5.1R2.6.4} MFR Compat: Pam's Mods Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MineFactoryReloaded|CompatRP2{1.5.1R2.6.4} MFR Compat: RP2 Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
SoulShards{1.0.16} Soul Shards Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MineFactoryReloaded|CompatSoulShards{1.5.1R2.6.4} MFR Compat: SoulShards Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MineFactoryReloaded|CompatSufficientBiomes{1.5.1R2.6.4} MFR Compat: Sufficient Biomes Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MFReloaded|CompatThaumcraft{1.5.1R2.6.4} MFR Compat: Thaumcraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MineFactoryReloaded|CompatThermalExpansion{1.5.1R2.6.4} MFR Compat: Thermal Expansion Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MineFactoryReloaded|CompatTwilightForest{1.5.1R2.6.4} MFR Compat: TwilightForest Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MineFactoryReloaded|CompatVanilla{1.5.1R2.6.4} MFR Compat: Vanilla Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MineFactoryReloaded|CompatXyCraft{1.5.1R2.6.4} MFR Compat: XyCraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MiscPeripherals{3.3} MiscPeripherals Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ModularForceFieldSystem{2.3.0.1.28} Modular ForceField System V2 Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
PowersuitAddons{176} Andrew2448's Modular Powersuits Addon Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Natura|CompatMineFactoryReloaded{0.1} Natura compat: MFR Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
NEIAddons{1.8.2.r31} NEI Addons Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
NEIAddons|AE{1.8.2.r31} NEI Addons: Applied Energistics Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
NEIAddons|CraftingTables{1.8.2.r31} NEI Addons: Crafting Tables Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
NEIAddons|ExtraBees{1.8.2.r31} NEI Addons: Extra Bees Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
NEIAddons|Forestry{1.8.2.r31} NEI Addons: Forestry Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
NEIAddons|MiscPeripherals{1.8.2.r31} NEI Addons: Misc Peripherals Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
NEIPlugins{1.0.9.3} NEI Plugins Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ObsidiPlates{1.5.0} Obsidian Pressure Plates Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
OpenPeripheral{0.1.11} OpenPeripheral Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
PluginsforForestry{3.0.17} PluginsforForestry Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
PortalGun{1.5.2} PortalGun Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
QuantumCraft{1.01} qCraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
StevesCarts{2.0.0.a122} Steve's Carts Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
switches{1.1.1} Switches Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
TConstruct|CompatMineFactoryReloaded{0.1} TConstruct Compat: MFR Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ThaumicTinkerer{1.0.8} [Thaumic Tinkerer](Thaumic Tinkerer [1.0.8].zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
mod_ZanMinimap{0.9.4} mod_ZanMinimap Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
WR-CBE|Core{1.4.0.1} [WR-CBE Core](WR-CBE Core 1.4.0.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
WR-CBE|Addons{1.4} [WR-CBE Addons](WR-CBE Addons 1.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
WR-CBE|Logic{1.4.0.3} [WR-CBE Logic](WR-CBE Logic 1.4.0.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
OmniTools{3.1.6.0} OmniTools Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
LWJGL: 2.9.1
OpenGL: AMD Radeon (TM) R5 M320 GL version 4.5.13447 Compatibility Profile Context 16.300.2311.0, ATI Technologies Inc.
Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Texture Pack: Default
Profiler Position: N/A (disabled)
Vec3 Pool Size: 1862 (104272 bytes; 0 MB) allocated, 19 (1064 bytes; 0 MB) used

java.lang.NullPointerException
at GuiWDLMultiworldSelect.(GuiWDLMultiworldSelect.java:32)
at GuiWDLMultiworld.func_73875_a(GuiWDLMultiworld.java:47)
at net.minecraft.client.gui.GuiScreen.func_73864_a(SourceFile:72)
at GuiWDLMultiworld.func_73864_a(GuiWDLMultiworld.java:67)
at net.minecraft.client.gui.GuiScreen.func_73867_d(SourceFile:127)
at net.minecraft.client.gui.GuiScreen.func_73862_m(SourceFile:111)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1500)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:835)
at net.minecraft.client.Minecraft.run(Minecraft.java:760)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT 89ff376b ----------