Minecraft keeps crashing with forge 1.6.4.

---- Minecraft Crash Report ----
// I'm sorry, Dave.

Time: 12/31/13 3:41 PM
Description: Exception in world tick

java.lang.NullPointerException
at net.minecraft.client.multiplayer.NetClientHandler.func_72519_a(NetClientHandler.java:956)
at net.minecraft.network.packet.Packet24MobSpawn.func_73279_a(SourceFile:87)
at net.minecraft.network.MemoryConnection.func_74428_b(MemoryConnection.java:89)
at net.minecraft.client.multiplayer.NetClientHandler.func_72551_d(NetClientHandler.java:281)
at net.minecraft.client.multiplayer.WorldClient.func_72835_b(WorldClient.java:99)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1930)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:910)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:838)
at net.minecraft.client.main.Main.main(SourceFile:101)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:131)
at net.minecraft.launchwrapper.Launch.main(Launch.java:27)


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

-- Head --
Stacktrace:
at net.minecraft.client.multiplayer.NetClientHandler.func_72519_a(NetClientHandler.java:956)
at net.minecraft.network.packet.Packet24MobSpawn.func_73279_a(SourceFile:87)
at net.minecraft.network.MemoryConnection.func_74428_b(MemoryConnection.java:89)
at net.minecraft.client.multiplayer.NetClientHandler.func_72551_d(NetClientHandler.java:281)

-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [EntityClientPlayerMP['MONKEYSQUAD32'/298, l='MpServer', x=-215.50, y=97.62, z=251.50]]
Chunk stats: MultiplayerChunkCache: 110
Level seed: 0
Level generator: ID 15 - newDawn, ver 0. Features enabled: false
Level generator options:
Level spawn location: World: (-208,64,256), Chunk: (at 0,4,0 in -13,16; contains blocks -208,0,256 to -193,255,271), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Level time: 22 game time, 22 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: 51 total; [EntityDjelliotth['djelliotth'/143, l='MpServer', x=-197.50, y=86.00, z=189.50], EntityDjelliotth['djelliotth'/152, l='MpServer', x=-176.50, y=100.00, z=326.50], EntityDjelliotth['djelliotth'/153, l='MpServer', x=-174.50, y=92.00, z=325.50], EntityDjelliotth['djelliotth'/154, l='MpServer', x=-172.50, y=91.00, z=327.50], EntityDjelliotth['djelliotth'/155, l='MpServer', x=-176.50, y=97.00, z=327.50], EntityDjelliotth['djelliotth'/156, l='MpServer', x=-175.50, y=93.00, z=324.50], EntityDjelliotth['djelliotth'/157, l='MpServer', x=-178.50, y=94.00, z=325.50], EntityDjelliotth['djelliotth'/144, l='MpServer', x=-196.12, y=86.00, z=191.53], EntityDjelliotth['djelliotth'/145, l='MpServer', x=-198.50, y=86.00, z=192.50], EntityDjelliotth['djelliotth'/146, l='MpServer', x=-198.50, y=86.00, z=190.50], EntityHumanVillager['Villager'/147, l='MpServer', x=-199.50, y=88.00, z=224.50], EntityHumanVillager['Villager'/148, l='MpServer', x=-195.50, y=88.00, z=226.50], EntityHumanVillager['Villager'/149, l='MpServer', x=-196.50, y=88.00, z=226.50], EntityHumanVillager['Villager'/150, l='MpServer', x=-197.50, y=88.00, z=225.50], EntityHumanVillager['Villager'/151, l='MpServer', x=-196.50, y=87.00, z=223.50], EntityDjelliotth['djelliotth'/171, l='MpServer', x=-159.50, y=90.00, z=319.50], EntityDjelliotth['djelliotth'/170, l='MpServer', x=-160.50, y=91.00, z=319.50], EntityDjelliotth['djelliotth'/169, l='MpServer', x=-161.50, y=90.00, z=317.50], EntityDjelliotth['djelliotth'/168, l='MpServer', x=-161.50, y=91.00, z=319.50], EntityBat['Bat'/787, l='MpServer', x=-168.50, y=21.00, z=203.50], EntityBat['Bat'/515, l='MpServer', x=-276.17, y=36.20, z=225.75], EntityHumanVillager['Villager'/163, l='MpServer', x=-163.50, y=80.00, z=203.50], EntityHumanVillager['Villager'/162, l='MpServer', x=-164.50, y=80.00, z=202.50], EntityDjelliotth['djelliotth'/167, l='MpServer', x=-162.50, y=91.00, z=316.50], EntityDjelliotth['djelliotth'/166, l='MpServer', x=-165.50, y=92.00, z=319.50], EntityHumanVillager['Villager'/165, l='MpServer', x=-162.50, y=80.00, z=204.50], EntityHumanVillager['Villager'/164, l='MpServer', x=-163.50, y=80.00, z=202.50], EntityBat['Bat'/299, l='MpServer', x=-256.94, y=16.58, z=226.20], EntityItem['item.tile.torch'/79, l='MpServer', x=-255.65, y=29.13, z=204.20], EntityHumanLumberjack['Lumberjack'/87, l='MpServer', x=-270.50, y=112.00, z=329.50], EntityClientPlayerMP['MONKEYSQUAD32'/298, l='MpServer', x=-215.50, y=97.62, z=251.50], EntityBat['Bat'/765, l='MpServer', x=-202.25, y=50.00, z=323.23], EntityHumanLumberjack['Lumberjack'/89, l='MpServer', x=-274.50, y=111.00, z=329.50], EntityHumanLumberjack['Lumberjack'/88, l='MpServer', x=-270.50, y=112.00, z=330.50], EntityBat['Bat'/374, l='MpServer', x=-163.60, y=23.66, z=219.03], EntityDjelliotth['djelliotth'/97, l='MpServer', x=-250.50, y=109.00, z=308.50], EntityDwarf['Dwarf'/110, l='MpServer', x=-233.50, y=103.00, z=281.50], EntityDwarf['Dwarf'/111, l='MpServer', x=-234.50, y=102.00, z=282.50], EntityDwarf['Dwarf'/108, l='MpServer', x=-233.50, y=102.00, z=283.50], EntityDwarf['Dwarf'/109, l='MpServer', x=-235.50, y=102.00, z=283.50], EntityDwarf['Dwarf'/106, l='MpServer', x=-233.50, y=103.00, z=280.50], EntityDwarf['Dwarf'/107, l='MpServer', x=-234.50, y=102.00, z=283.50], EntityHumanMerchant['Merchant'/119, l='MpServer', x=-245.50, y=107.00, z=290.50], EntityHumanMerchant['Merchant'/118, l='MpServer', x=-246.72, y=107.00, z=290.21], EntityHumanMerchant['Merchant'/117, l='MpServer', x=-246.17, y=107.00, z=290.66], EntityHumanMerchant['Merchant'/116, l='MpServer', x=-246.50, y=108.00, z=294.50], EntityDwarf['Dwarf'/115, l='MpServer', x=-233.50, y=102.00, z=283.50], EntityDwarf['Dwarf'/114, l='MpServer', x=-234.50, y=102.00, z=284.50], EntityDwarf['Dwarf'/113, l='MpServer', x=-236.50, y=102.00, z=283.50], EntityDwarf['Dwarf'/112, l='MpServer', x=-233.50, y=102.00, z=283.50], EntityBat['Bat'/486, l='MpServer', x=-295.88, y=27.09, z=269.28]]
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:440)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1943)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:910)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:838)
at net.minecraft.client.main.Main.main(SourceFile:101)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:131)
at net.minecraft.launchwrapper.Launch.main(Launch.java:27)

-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [EntityClientPlayerMP['MONKEYSQUAD32'/298, l='MpServer', x=-215.50, y=97.62, z=251.50]]
Chunk stats: MultiplayerChunkCache: 110
Level seed: 0
Level generator: ID 15 - newDawn, ver 0. Features enabled: false
Level generator options:
Level spawn location: World: (-208,64,256), Chunk: (at 0,4,0 in -13,16; contains blocks -208,0,256 to -193,255,271), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Level time: 22 game time, 22 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: 51 total; [EntityDjelliotth['djelliotth'/143, l='MpServer', x=-197.50, y=86.00, z=189.50], EntityDjelliotth['djelliotth'/152, l='MpServer', x=-176.50, y=100.00, z=326.50], EntityDjelliotth['djelliotth'/153, l='MpServer', x=-174.50, y=92.00, z=325.50], EntityDjelliotth['djelliotth'/154, l='MpServer', x=-172.50, y=91.00, z=327.50], EntityDjelliotth['djelliotth'/155, l='MpServer', x=-176.50, y=97.00, z=327.50], EntityDjelliotth['djelliotth'/156, l='MpServer', x=-175.50, y=93.00, z=324.50], EntityDjelliotth['djelliotth'/157, l='MpServer', x=-178.50, y=94.00, z=325.50], EntityDjelliotth['djelliotth'/144, l='MpServer', x=-196.12, y=86.00, z=191.53], EntityDjelliotth['djelliotth'/145, l='MpServer', x=-198.50, y=86.00, z=192.50], EntityDjelliotth['djelliotth'/146, l='MpServer', x=-198.50, y=86.00, z=190.50], EntityHumanVillager['Villager'/147, l='MpServer', x=-199.50, y=88.00, z=224.50], EntityHumanVillager['Villager'/148, l='MpServer', x=-195.50, y=88.00, z=226.50], EntityHumanVillager['Villager'/149, l='MpServer', x=-196.50, y=88.00, z=226.50], EntityHumanVillager['Villager'/150, l='MpServer', x=-197.50, y=88.00, z=225.50], EntityHumanVillager['Villager'/151, l='MpServer', x=-196.50, y=87.00, z=223.50], EntityDjelliotth['djelliotth'/171, l='MpServer', x=-159.50, y=90.00, z=319.50], EntityDjelliotth['djelliotth'/170, l='MpServer', x=-160.50, y=91.00, z=319.50], EntityDjelliotth['djelliotth'/169, l='MpServer', x=-161.50, y=90.00, z=317.50], EntityDjelliotth['djelliotth'/168, l='MpServer', x=-161.50, y=91.00, z=319.50], EntityBat['Bat'/787, l='MpServer', x=-168.50, y=21.00, z=203.50], EntityBat['Bat'/515, l='MpServer', x=-276.17, y=36.20, z=225.75], EntityHumanVillager['Villager'/163, l='MpServer', x=-163.50, y=80.00, z=203.50], EntityHumanVillager['Villager'/162, l='MpServer', x=-164.50, y=80.00, z=202.50], EntityDjelliotth['djelliotth'/167, l='MpServer', x=-162.50, y=91.00, z=316.50], EntityDjelliotth['djelliotth'/166, l='MpServer', x=-165.50, y=92.00, z=319.50], EntityHumanVillager['Villager'/165, l='MpServer', x=-162.50, y=80.00, z=204.50], EntityHumanVillager['Villager'/164, l='MpServer', x=-163.50, y=80.00, z=202.50], EntityBat['Bat'/299, l='MpServer', x=-256.94, y=16.58, z=226.20], EntityItem['item.tile.torch'/79, l='MpServer', x=-255.65, y=29.13, z=204.20], EntityHumanLumberjack['Lumberjack'/87, l='MpServer', x=-270.50, y=112.00, z=329.50], EntityClientPlayerMP['MONKEYSQUAD32'/298, l='MpServer', x=-215.50, y=97.62, z=251.50], EntityBat['Bat'/765, l='MpServer', x=-202.25, y=50.00, z=323.23], EntityHumanLumberjack['Lumberjack'/89, l='MpServer', x=-274.50, y=111.00, z=329.50], EntityHumanLumberjack['Lumberjack'/88, l='MpServer', x=-270.50, y=112.00, z=330.50], EntityBat['Bat'/374, l='MpServer', x=-163.60, y=23.66, z=219.03], EntityDjelliotth['djelliotth'/97, l='MpServer', x=-250.50, y=109.00, z=308.50], EntityDwarf['Dwarf'/110, l='MpServer', x=-233.50, y=103.00, z=281.50], EntityDwarf['Dwarf'/111, l='MpServer', x=-234.50, y=102.00, z=282.50], EntityDwarf['Dwarf'/108, l='MpServer', x=-233.50, y=102.00, z=283.50], EntityDwarf['Dwarf'/109, l='MpServer', x=-235.50, y=102.00, z=283.50], EntityDwarf['Dwarf'/106, l='MpServer', x=-233.50, y=103.00, z=280.50], EntityDwarf['Dwarf'/107, l='MpServer', x=-234.50, y=102.00, z=283.50], EntityHumanMerchant['Merchant'/119, l='MpServer', x=-245.50, y=107.00, z=290.50], EntityHumanMerchant['Merchant'/118, l='MpServer', x=-246.72, y=107.00, z=290.21], EntityHumanMerchant['Merchant'/117, l='MpServer', x=-246.17, y=107.00, z=290.66], EntityHumanMerchant['Merchant'/116, l='MpServer', x=-246.50, y=108.00, z=294.50], EntityDwarf['Dwarf'/115, l='MpServer', x=-233.50, y=102.00, z=283.50], EntityDwarf['Dwarf'/114, l='MpServer', x=-234.50, y=102.00, z=284.50], EntityDwarf['Dwarf'/113, l='MpServer', x=-236.50, y=102.00, z=283.50], EntityDwarf['Dwarf'/112, l='MpServer', x=-233.50, y=102.00, z=283.50], EntityBat['Bat'/486, l='MpServer', x=-295.88, y=27.09, z=269.28]]
Retry entities: 0 total; []
Server brand: fml,forge
Server type: Integrated singleplayer server

-- System Details --
Details:
Minecraft Version: 1.6.4
Operating System: Mac OS X (x86_64) version 10.8.5
Java Version: 1.6.0_65, Apple Inc.
Java VM Version: Java HotSpot™ 64-Bit Server VM (mixed mode), Apple Inc.
Memory: 176637416 bytes (168 MB) / 750948352 bytes (716 MB) up to 1065025536 bytes (1015 MB)
JVM Flags: 1 total; -Xmx1G
AABB Pool Size: 616 (34496 bytes; 0 MB) allocated, 616 (34496 bytes; 0 MB) used
Suspicious classes: FML and Forge are installed
IntCache: cache: 0, tcache: 51, allocated: 3, tallocated: 63
FML: MCP v8.11 FML v6.4.45.953 Minecraft Forge 9.11.1.953 31 mods loaded, 31 mods active
mcp{8.09} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FML{6.4.45.953} [Forge Mod Loader] (minecraftforge-9.11.1.953.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forge{9.11.1.953} [Minecraft Forge] (minecraftforge-9.11.1.953.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DamageIndicatorsMod{2.9.2.2} [Damage Indicators] (1.6.4 DamageIndicatorsv2.9.2.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
warsmod{6.3} [The Wars Mod] (1.6.4 WarsMod Latest.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ArchimedesShipsMod{1.6.4 v1.4.5} [Archimedes' Ships] (ArchimedesShips.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
amm{2.2} [ArmorMovementMod] (ArmorMovement 1.6.4.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BWG4{1.1.9} [Better World Generation 4] (BWG4_V119.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BasicArmour{1.5} [Basic Armour Mod] (Basic Armor mod 1.6 (v1.5).zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BiblioCraft{1.4.0} [BiblioCraft] (BiblioCraft[v1.4.0].zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
craftguide{1.5.2} [CraftGuide] (CraftGuide-1.6.7.4.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
dungeonmobs{3.0.2} [Dungeon Mobs] (Dungeon Mobs v3.0.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DungeonPack{1.6.4} [DungeonPack] (DungeonPack 1.6.4.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Enemy Soldiers{1.0.4} [Enemy Soldiers] (Enemy_Soldiers.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Highlands{2.1.3} [Highlands] (Highlands2.1.4_MC1.6.4.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
KoadPirates{For minecraft 1.6.4} [Koadmaster's Pirates] (Koadmaster 0.4.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mca{3.5.4} [Minecraft Comes Alive] (MCA v3.5.4.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Oceancraft{1.1} [Oceancraft Mod] (Oceancraft v1.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
cmd_randomadditions{0.5} [Random Additions] (Random Additions 0.8.1 mc1.6.4.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mod_SoManySwords{0.23} [mod_SoManySwords] (SMSv023.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
UndergroundBiomes{0.4.3} [Underground Biomes] (UndergroundBiomes 1.6.x - 0.4.2c.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
weaponmod{1.6.2 v1.13.6} [Balkon's WeaponMod] (Weaponmod.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
whynotcraft{1.6.4 - V1.2 - Updated 1.6.4} [Why Not Craft] (Why_Not_Craft_v1.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DrSideburnsWWMod{1.0.0} [Winter Warfare] (WinterWarfarev1-0-1-1-6-4.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
chlauncher{1.0.2} [Chicken Launcher] ([1.6.4]ChickenLauncher.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MoreMobsMod{100.0.2} [MoreMobsMod] ([1.6.4]MoreMobsMod.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
RecipesPlus{1.0.1} [RecipesPlus] ([1.6.4]RecipesPlus 1.0.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mod_ReiMinimap{v3.4_01 [1.6.2]} [mod_ReiMinimap] ([1.6.4]ReiMinimap_v3.4_01.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Roguelike{1.2.7} [Roguelike Dungeons Mod] (mc-roguelike-1.6.4-forge-v1.2.7.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
newdawn{131217} [New Dawn] (newdawn.131217.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
NF2MOD{2.0} [New Foods 2] (newfoods2---20.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Launched Version: 1.6.4-Forge9.11.1.953
LWJGL: 2.9.0
OpenGL: NVIDIA GeForce GT 640M OpenGL Engine GL version 2.1 NVIDIA-8.16.74 310.40.00.10f02, NVIDIA Corporation
Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Pack: Cyber Optics 32x32 v.1.17.zip
Current Language: English (US)
Profiler Position: N/A (disabled)
Vec3 Pool Size: 387 (21672 bytes; 0 MB) allocated, 112 (6272 bytes; 0 MB) used