This time the servers were online, so no funny business there.

---- Minecraft Crash Report ----

WARNING: coremods are present:
FMLPlugin (InventoryTweaks-1.59-176.jar)
CCLCorePlugin (CodeChickenLib-1.8-1.1.2.133-universal.jar)
BetterFps (BetterFps-1.1.0.jar)
BOPLoadingPlugin (BiomesOPlenty-1.8-3.0.0.1389-universal.jar)
CodeChickenCorePlugin (CodeChickenCore-1.8-1.0.5.36-universal.jar)
CCCDeobfPlugin (unknown)
CoreMod (Aroma1997Core-1.8-1.0.3.4.jar)
NEICorePlugin (NotEnoughItems-1.8-1.0.5.104-universal.jar)
Contact their authors BEFORE contacting forge

// Who set us up the TNT?

Time: 9/15/15 5:36 PM
Description: Getting biome

java.lang.ArrayIndexOutOfBoundsException: -3
at biomesoplenty.common.world.layer.GenLayerClimate.func_75904_a(GenLayerClimate.java:30)
at biomesoplenty.common.world.layer.GenLayerBiomeBOP.func_75904_a(GenLayerBiomeBOP.java:41)
at net.minecraft.world.gen.layer.GenLayerZoom.func_75904_a(SourceFile:19)
at net.minecraft.world.gen.layer.GenLayerZoom.func_75904_a(SourceFile:19)
at biomesoplenty.common.world.layer.GenLayerBiomeEdgeBOP.func_75904_a(GenLayerBiomeEdgeBOP.java:30)
at biomesoplenty.common.world.layer.GenLayerSubBiomesBOP.func_75904_a(GenLayerSubBiomesBOP.java:31)
at biomesoplenty.common.world.layer.GenLayerBiomeIslands.func_75904_a(GenLayerBiomeIslands.java:32)
at net.minecraft.world.gen.layer.GenLayerZoom.func_75904_a(SourceFile:19)
at biomesoplenty.common.world.layer.GenLayerRaggedEdges.func_75904_a(GenLayerRaggedEdges.java:27)
at net.minecraft.world.gen.layer.GenLayerZoom.func_75904_a(SourceFile:19)
at net.minecraft.world.gen.layer.GenLayerShore.func_75904_a(SourceFile:15)
at net.minecraft.world.gen.layer.GenLayerZoom.func_75904_a(SourceFile:19)
at net.minecraft.world.gen.layer.GenLayerZoom.func_75904_a(SourceFile:19)
at net.minecraft.world.gen.layer.GenLayerSmooth.func_75904_a(SourceFile:15)
at biomesoplenty.common.world.layer.GenLayerRiverMixBOP.func_75904_a(GenLayerRiverMixBOP.java:39)
at net.minecraft.world.gen.layer.GenLayerVoronoiZoom.func_75904_a(SourceFile:22)
at net.minecraft.world.biome.WorldChunkManager.func_76936_a(WorldChunkManager.java:78)
at net.minecraft.world.biome.BiomeCache$Block.(SourceFile:27)
at net.minecraft.world.biome.BiomeCache.func_76840_a(SourceFile:53)
at net.minecraft.world.biome.BiomeCache.func_180284_a(SourceFile:62)
at net.minecraft.world.biome.WorldChunkManager.func_180300_a(WorldChunkManager.java:66)
at net.minecraft.world.chunk.Chunk.func_177411_a(Chunk.java:1352)
at net.minecraft.world.World.getBiomeGenForCoordsBody(World.java:161)
at net.minecraft.world.WorldProvider.getBiomeGenForCoords(WorldProvider.java:375)
at net.minecraft.world.World.func_180494_b(World.java:150)
at net.minecraftforge.client.ForgeHooksClient.getSkyBlendColour(ForgeHooksClient.java:392)
at net.minecraft.world.World.getSkyColorBody(World.java:1410)
at net.minecraft.world.WorldProvider.getSkyColor(WorldProvider.java:409)
at net.minecraft.world.World.func_72833_a(World.java:1397)
at net.minecraft.client.renderer.EntityRenderer.func_78466_h(EntityRenderer.java:1695)
at net.minecraft.client.renderer.EntityRenderer.func_175068_a(EntityRenderer.java:1224)
at net.minecraft.client.renderer.EntityRenderer.func_78471_a(EntityRenderer.java:1210)
at net.minecraft.client.renderer.EntityRenderer.func_78480_b(EntityRenderer.java:1035)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1055)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:345)
at net.minecraft.client.main.Main.main(SourceFile:120)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

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

-- Head --
Stacktrace:
at biomesoplenty.common.world.layer.GenLayerClimate.func_75904_a(GenLayerClimate.java:30)
at biomesoplenty.common.world.layer.GenLayerBiomeBOP.func_75904_a(GenLayerBiomeBOP.java:41)
at net.minecraft.world.gen.layer.GenLayerZoom.func_75904_a(SourceFile:19)
at net.minecraft.world.gen.layer.GenLayerZoom.func_75904_a(SourceFile:19)
at biomesoplenty.common.world.layer.GenLayerBiomeEdgeBOP.func_75904_a(GenLayerBiomeEdgeBOP.java:30)
at biomesoplenty.common.world.layer.GenLayerSubBiomesBOP.func_75904_a(GenLayerSubBiomesBOP.java:31)
at biomesoplenty.common.world.layer.GenLayerBiomeIslands.func_75904_a(GenLayerBiomeIslands.java:32)
at net.minecraft.world.gen.layer.GenLayerZoom.func_75904_a(SourceFile:19)
at biomesoplenty.common.world.layer.GenLayerRaggedEdges.func_75904_a(GenLayerRaggedEdges.java:27)
at net.minecraft.world.gen.layer.GenLayerZoom.func_75904_a(SourceFile:19)
at net.minecraft.world.gen.layer.GenLayerShore.func_75904_a(SourceFile:15)
at net.minecraft.world.gen.layer.GenLayerZoom.func_75904_a(SourceFile:19)
at net.minecraft.world.gen.layer.GenLayerZoom.func_75904_a(SourceFile:19)
at net.minecraft.world.gen.layer.GenLayerSmooth.func_75904_a(SourceFile:15)
at biomesoplenty.common.world.layer.GenLayerRiverMixBOP.func_75904_a(GenLayerRiverMixBOP.java:39)
at net.minecraft.world.gen.layer.GenLayerVoronoiZoom.func_75904_a(SourceFile:22)
at net.minecraft.world.biome.WorldChunkManager.func_76936_a(WorldChunkManager.java:78)
at net.minecraft.world.biome.BiomeCache$Block.(SourceFile:27)
at net.minecraft.world.biome.BiomeCache.func_76840_a(SourceFile:53)
at net.minecraft.world.biome.BiomeCache.func_180284_a(SourceFile:62)
at net.minecraft.world.biome.WorldChunkManager.func_180300_a(WorldChunkManager.java:66)
at net.minecraft.world.chunk.Chunk.func_177411_a(Chunk.java:1352)

-- Coordinates of biome request --
Details:
Location: World: (-22,65,-22), Chunk: (at 10,4,10 in -2,-2; contains blocks -32,0,-32 to -17,255,-17), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Stacktrace:
at net.minecraft.world.World.getBiomeGenForCoordsBody(World.java:161)
at net.minecraft.world.WorldProvider.getBiomeGenForCoords(WorldProvider.java:375)
at net.minecraft.world.World.func_180494_b(World.java:150)
at net.minecraftforge.client.ForgeHooksClient.getSkyBlendColour(ForgeHooksClient.java:392)
at net.minecraft.world.World.getSkyColorBody(World.java:1410)
at net.minecraft.world.WorldProvider.getSkyColor(WorldProvider.java:409)
at net.minecraft.world.World.func_72833_a(World.java:1397)
at net.minecraft.client.renderer.EntityRenderer.func_78466_h(EntityRenderer.java:1695)
at net.minecraft.client.renderer.EntityRenderer.func_175068_a(EntityRenderer.java:1224)
at net.minecraft.client.renderer.EntityRenderer.func_78471_a(EntityRenderer.java:1210)

-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [EntityPlayerSP['croftyraider'/327, l='MpServer', x=8.50, y=65.00, z=8.50]]
Chunk stats: MultiplayerChunkCache: 0, 0
Level seed: 0
Level generator: ID 06 - BIOMESOP, ver 0. Features enabled: false
Level generator options:
Level spawn location: 196.00,64.00,248.00 - World: (196,64,248), Chunk: (at 4,4,8 in 12,15; contains blocks 192,0,240 to 207,255,255), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 1 game time, 1 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: 1 total; [EntityPlayerSP['croftyraider'/327, l='MpServer', x=8.50, y=65.00, z=8.50]]
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:351)
at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2502)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:367)
at net.minecraft.client.main.Main.main(SourceFile:120)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

-- System Details --
Details:
Minecraft Version: 1.8
Operating System: Mac OS X (x86_64) version 10.10.5
Java Version: 1.8.0_51, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 2600659200 bytes (2480 MB) / 3113877504 bytes (2969 MB) up to 3113877504 bytes (2969 MB)
JVM Flags: 5 total; -XX:+UseParNewGC -XX:+AggressiveOpts -XX:+TieredCompilation -Xms3G -Xmx3G
IntCache: cache: 0, tcache: 47, allocated: 0, tallocated: 43
FML: MCP v9.10 FML v8.0.99.99 Minecraft Forge 11.14.3.1513 28 mods loaded, 28 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCHIJAAAA mcp{9.05} Minecraft Coder Pack
UCHIJAAAA FML{8.0.99.99} Forge Mod Loader
UCHIJAAAA Forge{11.14.3.1513} Minecraft Forge
UCHIJAAAA Aroma1997Core{1.0.3.4} Aroma1997Core
UCHIJAAAA betterfps{1.1.0} BetterFps
UCHIJAAAA CodeChickenCore{1.0.5.36} CodeChicken Core
UCHIJAAAA NotEnoughItems{1.0.5.104} Not Enough Items
UCHIJAAAA bspkrsCore{7.01} bspkrsCore
UCHIJAAAA Treecapitator{1.8} Treecapitator
UCHIJAAAA Aroma1997CoreHelper{1.0.3.4} Aroma1997Core|Helper
UCHIJAAAA Aroma1997sDimension{1.0} Aroma1997's Dimensional World
UCHIJAAAA basemetals{1.4.0} Base Metals
UCHIJAAAA BiomesOPlenty{3.0.0} Biomes O' Plenty
UCHIJAAAA Chameleon{1.8-0.1.0} Chameleon
UCHIJAAAA decorationmegapack{1.18} Decoration Mega Pack
UCHIJAAAA expchest{4.0} Exp Chest
UCHIJAAAA inventorytweaks{1.59-176-9318a76-dirty} Inventory Tweaks
UCHIJAAAA IronChest{6.0.107.754} Iron Chest
UCHIJAAAA fyberbackpack{1.0} Just Backpacks
UCHIJAAAA plantmegapack{5.08} Plant Mega Pack
UCHIJAAAA poweradvantage{1.2.4} Power Advantage
UCHIJAAAA projectbench{0.5.0} Project Bench Updated
UCHIJAAAA AS_Ruins{15.2} Ruins Spawning System
UCHIJAAAA shipwrecks{1.7.0} Shipwrecks!
UCHIJAAAA steamadvantage{1.3.3} Steam Advantage
UCHIJAAAA StorageDrawers{1.8-2.1.6} Storage Drawers
UCHIJAAAA reinforcedmod{Updated for 1.8} [Reinforced Mod](The Reinforced Mod 1.8%28v1.4.0%29.jar)
UCHIJAAAA AS_UpdateCheck{1.1.7} AtomicStryker Update Check Mod
Loaded coremods (and transformers):
FMLPlugin (InventoryTweaks-1.59-176.jar)
invtweaks.forge.asm.ContainerTransformer
CCLCorePlugin (CodeChickenLib-1.8-1.1.2.133-universal.jar)
codechicken.lib.asm.ClassHeirachyManager
codechicken.lib.asm.RenderHookTransformer
BetterFps (BetterFps-1.1.0.jar)
me.guichaguri.betterfps.BetterFpsTransformer
BOPLoadingPlugin (BiomesOPlenty-1.8-3.0.0.1389-universal.jar)

CodeChickenCorePlugin (CodeChickenCore-1.8-1.0.5.36-universal.jar)
codechicken.core.asm.InterfaceDependancyTransformer
codechicken.core.asm.TweakTransformer
codechicken.core.asm.DelegatedTransformer
codechicken.core.asm.DefaultImplementationTransformer
CCCDeobfPlugin (unknown)

CoreMod (Aroma1997Core-1.8-1.0.3.4.jar)

NEICorePlugin (NotEnoughItems-1.8-1.0.5.104-universal.jar)
codechicken.nei.asm.NEITransformer
GL info: ' Vendor: 'NVIDIA Corporation' Version: '2.1 NVIDIA-10.4.2 310.41.35f01' Renderer: 'NVIDIA GeForce GTX 680MX OpenGL Engine'
Launched Version: 1.8
LWJGL: 2.9.2
OpenGL: NVIDIA GeForce GTX 680MX OpenGL Engine GL version 2.1 NVIDIA-10.4.2 310.41.35f01, NVIDIA Corporation
GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because ARB_framebuffer_object is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

Using VBOs: Yes
Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs: [faithful32pack.zip]
Current Language: English (US)
Profiler Position: N/A (disabled)

Same as #535 (Despite the different number, i'm pretty certain it's the same bug)