Minecraft Forge Crash

I need help. my minecraft keeps crashing and I don't know why so help would be greatly appreciated.

---- Minecraft Crash Report ----

WARNING: coremods are present:

  FMLPlugin (Inventory-Tweaks-Mod-1.9.jar)

  LoadingPlugin (Fast-Leave-Decay-Mod-1.9.jar)

  LoadingPluginBuildingBricks (BuildingBricks-1.9-2.0.4.jar)

Contact their authors BEFORE contacting forge

// Why is it breaking

Time: 6/10/16 6:36 PM

Description: Ticking entity

java.lang.IllegalAccessError: tried to access field net.minecraftforge.event.entity.living.LivingEvent.entityLiving from class cpw.mods.ironchest.OcelotsSitOnChestsHandler

at cpw.mods.ironchest.OcelotsSitOnChestsHandler.changeSittingTaskForOcelots(OcelotsSitOnChestsHandler.java:13)

at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_108_OcelotsSitOnChestsHandler_changeSittingTaskForOcelots_LivingUpdateEvent.invoke(.dynamic)

at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:49)

at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:140)

at net.minecraftforge.common.ForgeHooks.onLivingUpdate(ForgeHooks.java:454)

at net.minecraft.entity.EntityLivingBase.func_70071_h_(EntityLivingBase.java:1879)

at net.minecraft.entity.EntityLiving.func_70071_h_(EntityLiving.java:296)

at net.minecraft.world.World.func_72866_a(World.java:1934)

at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:836)

at net.minecraft.world.World.func_72870_g(World.java:1903)

at net.minecraft.world.World.func_72939_s(World.java:1737)

at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:619)

at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:705)

at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:609)

at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:148)

at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:467)

at java.lang.Thread.run(Thread.java:745)

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

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

-- Head --

Stacktrace:

at cpw.mods.ironchest.OcelotsSitOnChestsHandler.changeSittingTaskForOcelots(OcelotsSitOnChestsHandler.java:13)

at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_108_OcelotsSitOnChestsHandler_changeSittingTaskForOcelots_LivingUpdateEvent.invoke(.dynamic)

at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:49)

at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:140)

at net.minecraftforge.common.ForgeHooks.onLivingUpdate(ForgeHooks.java:454)

at net.minecraft.entity.EntityLivingBase.func_70071_h_(EntityLivingBase.java:1879)

at net.minecraft.entity.EntityLiving.func_70071_h_(EntityLiving.java:296)

at net.minecraft.world.World.func_72866_a(World.java:1934)

at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:836)

at net.minecraft.world.World.func_72870_g(World.java:1903)

-- Entity being ticked --

Details:

Entity Type: Chicken (net.minecraft.entity.passive.EntityChicken)

Entity ID: 6

Entity Name: Chicken

Entity's Exact location: -25.50, 66.00, 116.50

Entity's Block location: World: (-26,66,116), Chunk: (at 6,4,4 in -2,7; contains blocks -32,0,112 to -17,255,127), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)

Entity's Momentum: 0.00, 0.00, 0.00

Entity's Passengers: []

Entity's Vehicle: ~~ERROR~~ NullPointerException: null

Stacktrace:

at net.minecraft.world.World.func_72939_s(World.java:1737)

at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:619)

-- Affected level --

Details:

Level name: Sam's World

All players: 0 total; []

Chunk stats: ServerChunkCache: 625 Drop: 0

Level seed: 2127912335640724270

Level generator: ID 06 - BIOMESOP, ver 0. Features enabled: true

Level generator options: {"landScheme":"continents","tempScheme":"medium_zones","rainScheme":"medium_zones","biomeSize":"large","amplitude":1.0,"generateBopOre":true,"generateBopSoils":true,"generateBopTrees":true,"generateBopGrasses":true,"generateBopFoliage":true,"generateBopFlowers":true,"generateBopPlants":true,"generateBopWaterPlants":true,"generateBopMushrooms":true,"generateRockFormations":true,"generatePoisonIvy":true,"generateFlax":true,"generateBerryBushes":true,"generateThorns":true,"generateQuicksand":true,"generateLiquidPoison":true,"generateHotSprings":true,"generateNetherHives":false,"generateNetherPlants":true,"generateEndFeatures":true}

Level spawn location: World: (116,64,238), Chunk: (at 4,4,14 in 7,14; contains blocks 112,0,224 to 127,255,239), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)

Level time: 3 game time, 3 day time

Level dimension: 0

Level storage version: 0x04ABD - Anvil

Level weather: Rain time: 36873 (now: false), thunder time: 126113 (now: false)

Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: true

Stacktrace:

at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:705)

at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:609)

at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:148)

at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:467)

at java.lang.Thread.run(Thread.java:745)

-- System Details --

Details:

Minecraft Version: 1.9

Operating System: Windows 10 (amd64) version 10.0

Java Version: 1.8.0_25, Oracle Corporation

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

Memory: 375303152 bytes (357 MB) / 1060372480 bytes (1011 MB) up to 1060372480 bytes (1011 MB)

JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M

IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 94

FML: MCP 9.23 Powered by Forge 12.16.1.1894 16 mods loaded, 16 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{9.19} [Minecraft Coder Pack] (minecraft.jar)

UCHIJAAAA FML{8.0.99.99} [Forge Mod Loader] (forge-1.9-12.16.1.1894.jar)

UCHIJAAAA Forge{12.16.1.1894} [Minecraft Forge] (forge-1.9-12.16.1.1894.jar)

UCHIJAAAA buildingbrickshooks{1.9-2.0.4} [building Bricks Hooks] (minecraft.jar)

UCHIJAAAA bagginses{2.3.1} [bagginses] (Bagginses-1.9-2.3.1.jar)

UCHIJAAAA BiomesOPlenty{4.0.1.2006} [biomes O' Plenty] (BiomesOPlenty-1.9-4.0.1.2006-universal.jar)

UCHIJAAAA buildingbricks{1.9-2.0.4} [building Bricks] (BuildingBricks-1.9-2.0.4.jar)

UCHIJAAAA chisel{3.0} [Chisel 3] (Chisel-2-Mod-1.9.jar)

UCHIJAAAA FastLeaveDecay{1.1} [Fast Leave Decay] (Fast-Leave-Decay-Mod-1.9.jar)

UCHIJAAAA inventorytweaks{1.61-dev-43-5959bd1} [inventory Tweaks] (Inventory-Tweaks-Mod-1.9.jar)

UCHIJAAAA IronChest{6.0.126.771} [iron Chest] (Iron-Chests-Mod-1.9.jar)

UCHIJAAAA Photoptics{0.3.1.1c} [Photoptics] (Photoptics-0.3.1.1c.jar)

UCHIJAAAA sciapi{1.3.0.3} [sciAPI] (SciAPI-1.3.0.3.jar)

UCHIJAAAA StellarAPI{0.3.3.1} [stellar API] (Stellar API-0.3.3.1.jar)

UCHIJAAAA stellarsky{0.3.4.1b} [stellar Sky] (Stellar Sky-0.3.4.1b.jar)

UCHIJAAAA XaeroMinimap{1.9.3} [Xaero's Minimap] (Xaeros_Minimap_1.9.3_Forge_1.9.jar)

Loaded coremods (and transformers):

FMLPlugin (Inventory-Tweaks-Mod-1.9.jar)

  invtweaks.forge.asm.ContainerTransformer

LoadingPlugin (Fast-Leave-Decay-Mod-1.9.jar)

  lumien.fastleavedecay.asm.ClassTransformer

LoadingPluginBuildingBricks (BuildingBricks-1.9-2.0.4.jar)

  com.hea3ven.buildingbricks.core.load.ClassTransformerBuildingBricks

Profiler Position: N/A (disabled)

Player Count: 0 / 8; []

Type: Integrated Server (map_client.txt)

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