Help!!

[Kmoosta]

My Modpack will load and get to the starting screen but when I try to load a world it crashes, the crash report is below, I don't know how to fix this

 

---- Minecraft Crash Report ----

// Shall we play a game?

 

Time: 2/16/15 6:09 PM

Description: Exception in server tick loop

 

java.lang.IllegalArgumentException

at net.minecraft.util.WeightedRandom.func_76273_a(WeightedRandom.java:28)

at net.minecraft.util.WeightedRandom.func_76271_a(WeightedRandom.java:60)

at net.minecraft.world.SpawnerAnimals.func_77191_a(SpawnerAnimals.java:235)

at net.minecraft.world.gen.ChunkProviderGenerate.func_73153_a(ChunkProviderGenerate.java:424)

at net.minecraft.world.gen.ChunkProviderServer.func_73153_a(ChunkProviderServer.java:279)

at net.minecraft.world.chunk.Chunk.func_76624_a(Chunk.java:1055)

at net.minecraft.world.gen.ChunkProviderServer.originalLoadChunk(ChunkProviderServer.java:190)

at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:131)

at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:101)

at net.minecraft.server.MinecraftServer.func_71222_d(MinecraftServer.java:265)

at net.minecraft.server.integrated.IntegratedServer.func_71247_a(IntegratedServer.java:78)

at net.minecraft.server.integrated.IntegratedServer.func_71197_b(IntegratedServer.java:92)

at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:387)

at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)

 

 

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

---------------------------------------------------------------------------------------

 

-- System Details --

Details:

Minecraft Version: 1.7.10

Operating System: Windows 8.1 (amd64) version 6.3

Java Version: 1.7.0_67, Oracle Corporation

Java VM Version: Java HotSpot 64-Bit Server VM (mixed mode), Oracle Corporation

Memory: 435951240 bytes (415 MB) / 1027530752 bytes (979 MB) up to 3186360320 bytes (3038 MB)

JVM Flags: 4 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx3072m -Xincgc -XX:MaxPermSize=256m

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 v7.10.85.1286 Minecraft Forge 10.13.2.1286 77 mods loaded, 77 mods active

mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

FML{7.10.85.1286} [Forge Mod Loader] (modpack.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

Forge{10.13.2.1286} [Minecraft Forge] (modpack.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

appliedenergistics2-core{rv1-stable-1} [AppliedEnergistics2 Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

CodeChickenCore{1.0.4.29} [CodeChicken Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

<CoFH ASM>{000} [CoFH ASM Data Initialization] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

NotEnoughItems{1.0.3.62} [Not Enough Items] (NotEnoughItems-1.7.10-1.0.3.62-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

ThaumicTinkerer-preloader{0.1} [Thaumic Tinkerer Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

appliedenergistics2{rv1-stable-1} [Applied Energistics 2] (appliedenergistics2-rv1-stable-1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

betterbeginnings{0.0.6.0} [better Beginnings] (Better-Beginnings-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

BiblioCraft{1.8.2} [biblioCraft] (BiblioCraft-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

BiomesOPlenty{2.1.0} [biomes O' Plenty] (BiomesOPlenty-1.7.10-2.1.0.1019-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

BiblioWoodsBoP{1.9} [biblioWoods Biomes O'Plenty Edition] (BiblioWoods[biomesOPlenty][v1.9].jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

CoFHCore{1.7.10R3.0.0B7} [CoFH Core] (CoFHCore-[1.7.10]3.0.0B7-35.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

ThermalFoundation{1.7.10R1.0.0B3} [Thermal Foundation] (ThermalFoundation-[1.7.10]1.0.0B3-8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

ThermalExpansion{1.7.10R4.0.0B6} [Thermal Expansion] (ThermalExpansion-[1.7.10]4.0.0B6-16.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

BigReactors{0.4.0rc10} [big Reactors] (BigReactors-0.4.0rc10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

AWWayofTime{v1.0.1g} [blood Magic: Alchemical Wizardry] (Blood-Magic-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

Baubles{1.0.1.8} [baubles] (Baubles-1.7.10-1.0.1.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

Thaumcraft{4.2.1.4} [Thaumcraft] (Thaumcraft-1.7.10-4.2.1.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

Botania{r1.3-149} [botania] (Botania r1.3-149.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

camping{2.1} [The Camping Mod 2] (Camping-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

CarpentersBlocks{3.2.8} [Carpenter's Blocks] (Carpenter's Blocks v3.2.8 - MC 1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

carvablepumpkins{1.1} [carvablepumpkins] (Carvable-Pumpkins-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

chisel{1.5.7} [Chisel] (Chisel-1.7.10-1.5.7.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

ComputerCraft{1.64} [ComputerCraft] (ComputerCraft-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

DamageIndicatorsMod{3.2.0} [Damage Indicators] (Damage-Indicators-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

props{1.10} [Decocraft] (DecoCraft-Mod-1.7.10.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

MineFactoryReloaded{1.7.10R2.8.0RC4} [MineFactory Reloaded] (MineFactoryReloaded-[1.7.10]2.8.0RC4-676.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

Railcraft{9.3.3.0} [Railcraft] (Railcraft_1.7.10-9.3.3.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

EnderIO{1.7.10-2.1.8.260} [Ender IO] (EnderIO-1.7.10-2.1.8.260.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

EnderStorage{1.4.5.24} [EnderStorage] (EnderStorage-1.7.10-1.4.5.24-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

EnderZoo{1.7.10-1.0.2.7_beta} [Ender Zoo] (EnderZoo-1.7.10-1.0.2.7_beta.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

ExtraUtilities{1.1.0k} [Extra Utilities] (Extra-Utilities-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

fairylights{0.3} [Fairy Lights] (Fairy-Lights-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

foxlib{1.7.10-0.5.0} [FoxLib] (FoxLib-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

harvestcraft{1.7.10d} [Pam's HarvestCraft] (HarvestCraft-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

iChunUtil{4.0.0} [iChunUtil] (iChunUtil-4.0.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

Hats{4.0.1} [Hats] (Hats-4.0.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

inventorytweaks{1.59-dev-156-af3bc68} [inventory Tweaks] (InventoryTweaks-1.59-dev-156.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

IronChest{6.0.60.741} [iron Chest] (ironchest-1.7.10-6.0.60.741-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

Waila{1.5.4a} [Waila] (Waila-1.5.4a_1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

JABBA{1.1.4} [JABBA] (Jabba-1.1.4_1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

journeymap{5.0.0RC3} [JourneyMap] (JourneyMap5.0.0RC3_Unlimited_MC1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

magicalcrops{1.7.2 - 0.1 ALPHA} [Magical Crops] (Magical-Crops-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

Mantle{1.7.10-0.3.2.jenkins184} [Mantle] (Mantle-1.7.10-0.3.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

MineFactoryReloaded|CompatAppliedEnergistics{1.7.10R2.8.0RC4} [MFR Compat: Applied Energistics] (MineFactoryReloaded-[1.7.10]2.8.0RC4-676.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

MineFactoryReloaded|CompatAtum{1.7.10R2.8.0RC3} [MFR Compat: Atum] (MineFactoryReloaded-[1.7.10]2.8.0RC4-676.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

MineFactoryReloaded|CompatBackTools{1.7.10R2.8.0RC4} [MFR Compat: BackTools] (MineFactoryReloaded-[1.7.10]2.8.0RC4-676.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

MineFactoryReloaded|CompatBuildCraft{1.7.10R2.8.0RC4} [MFR Compat: BuildCraft] (MineFactoryReloaded-[1.7.10]2.8.0RC4-676.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

MineFactoryReloaded|CompatChococraft{1.7.10R2.8.0RC3} [MFR Compat: Chococraft] (MineFactoryReloaded-[1.7.10]2.8.0RC4-676.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

MineFactoryReloaded|CompatExtraBiomes{1.7.10R2.8.0RC3} [MFR Compat: ExtraBiomes] (MineFactoryReloaded-[1.7.10]2.8.0RC4-676.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

MineFactoryReloaded|CompatForestry{1.7.10R2.8.0RC4} [MFR Compat: Forestry] (MineFactoryReloaded-[1.7.10]2.8.0RC4-676.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

MineFactoryReloaded|CompatForgeMicroblock{1.7.10R2.8.0RC3} [MFR Compat: ForgeMicroblock] (MineFactoryReloaded-[1.7.10]2.8.0RC4-676.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

MineFactoryReloaded|CompatIC2{1.7.10R2.8.0RC3} [MFR Compat: IC2] (MineFactoryReloaded-[1.7.10]2.8.0RC4-676.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

MineFactoryReloaded|CompatMystcraft{1.7.10R2.8.0RC3} [MFR Compat: Mystcraft] (MineFactoryReloaded-[1.7.10]2.8.0RC4-676.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

MineFactoryReloaded|CompatProjRed{1.7.10R2.8.0RC3} [MFR Compat ProjectRed] (MineFactoryReloaded-[1.7.10]2.8.0RC4-676.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

MineFactoryReloaded|CompatRailcraft{1.7.10R2.8.0RC3} [MFR Compat: Railcraft] (MineFactoryReloaded-[1.7.10]2.8.0RC4-676.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

MineFactoryReloaded|CompatRP2{1.7.10R2.8.0RC3} [MFR Compat: RP2] (MineFactoryReloaded-[1.7.10]2.8.0RC4-676.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

MineFactoryReloaded|CompatSufficientBiomes{1.7.10R2.8.0RC3} [MFR Compat: Sufficient Biomes] (MineFactoryReloaded-[1.7.10]2.8.0RC4-676.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

MineFactoryReloaded|CompatThaumcraft{1.7.10R2.8.0RC4} [MFR Compat: Thaumcraft] (MineFactoryReloaded-[1.7.10]2.8.0RC4-676.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

MineFactoryReloaded|CompatThermalExpansion{1.7.10R2.8.0RC3} [MFR Compat: Thermal Expansion] (MineFactoryReloaded-[1.7.10]2.8.0RC4-676.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

MineFactoryReloaded|CompatTwilightForest{1.7.10R2.8.0RC4} [MFR Compat: TwilightForest] (MineFactoryReloaded-[1.7.10]2.8.0RC4-676.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

MineFactoryReloaded|CompatVanilla{1.7.10R2.8.0RC4} [MFR Compat: Vanilla] (MineFactoryReloaded-[1.7.10]2.8.0RC4-676.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

mobats{1.0} [Mo' Pigs Mod] (Mo Pigs-1.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

Morph{0.9.1} [Morph] (Morph-Beta-0.9.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

PigCompanionMod{1.6.4} [PigCompanionMod] (Pig-Companion-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

StevesFactoryManager{A92} [steve's Factory Manager] (StevesFactoryManagerA92.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

Tails{1.7.10-1.1.1} [Tails] (Tails-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

TConstruct{1.7.10-1.7.1.build771} [Tinkers' Construct] (TConstruct-1.7.10-1.7.1c.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

thaumicenergistics{0.8.7.2b-rv1} [Thaumic Energistics] (Thaumic-Energistics-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

ThaumicMachina{1.7.10-0.1.0 (Open-Beta)} [Thaumic Machina] (Thaumic-Machina-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

ThaumicTinkerer{unspecified} [Thaumic Tinkerer] (ThaumicTinkerer-2.5-1.7.10-159.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

ThaumicExploration{0.6.0} [Thaumic Exploration] (ThaumicExploration-1.7.10-1.1-29.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

TMechworks{1.7.10-86.e500b88} [Tinkers' Mechworks] (TMechworks-1.7.10-0.2.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

AnimationAPI{1.2.2} [AnimationAPI] (Utility-Mobs-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

UtilityMobs{3.1.0} [utility Mobs] (Utility-Mobs-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available

AE2 Version: stable rv1-stable-1 for Forge 10.13.0.1187

Mantle Environment: Environment healthy.

TConstruct Environment: Environment healthy.

AE2 Integration: IC2:OFF, RotaryCraft:OFF, RC:ON, BC:OFF, MJ6:ON, MJ5:ON, RF:ON, RFItem:ON, MFR:ON, DSU:ON, FZ:OFF, FMP:OFF, RB:OFF, CLApi:OFF, Waila:ON, InvTweaks:ON, NEI:ON, CraftGuide:OFF, Mekanism:OFF, ImmibisMicroblocks:OFF, BetterStorage:OFF

Profiler Position: N/A (disabled)

Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used

Player Count: 0 / 8; []

Type: Integrated Server (map_client.txt)

Is Modded: Definitely; Client brand changed to 'fml,forge'

[LexManos]

Interesting, SOMETHING you have installed, no clue what is screwing up the entity spawn list. it's adding something to the list with a invalid weight.

Sadly there isn't much I can do to help you our. You'll have to start removing mods and see when it stops erroring.