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My Minecraft launcher was able to load well, no black screen, no crashing, and other what-not. It was even able to load the map. However, whenever I passed by the snow biome, my Minecraft screen would freeze and crash. When minecraft is restarted and the map reloaded, the application would crash again. I reverted the map to a previous version's (thank notch I backed up my files) and sure enough, the map was able to load again. However, the same crash happens whenever I walk past the snow biome.

After looking through the crash report, I thought the CraftableAnimals mod was the cause, so I ran it as administrator and other jazz to grant it all possible privileges, but the same error occurred, I know I may sound like an idiot now, but this is the first time I've ever encountered a Ticking Tile Entity crash, so I was really at a lost then.

My mods installed are:
[Forge]
OptiFine
Pet Bats

CraftableAnimals
SpecialArmour
Backpack mod
VillageSpawner
ChickenCore Dependency
NotEnoughItems


Crash Report as follows:

---- Minecraft Crash Report ----
// I just don't know what went wrong

Time: 4/6/13 2:18 PM
Description: Ticking tile entity

java.lang.NullPointerException
at naruto1310.craftableAnimals.core.CraftableAnimalsRegistry.createEntity(CraftableAnimalsRegistry.java:76)
at naruto1310.craftableAnimals.vanilla.TileEntityMobSpawnerCALogic.func_98265_a(TileEntityMobSpawnerCALogic.java:87)
at net.minecraft.tileentity.MobSpawnerBaseLogic.func_98278_g(SourceFile:92)
at naruto1310.craftableAnimals.vanilla.TileEntityMobSpawnerCA.func_70316_g(TileEntityMobSpawnerCA.java:32)
at net.minecraft.world.World.func_72939_s(World.java:2195)
at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:543)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:651)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:570)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:171)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:468)
at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)


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

-- Head --
Stacktrace:
at naruto1310.craftableAnimals.core.CraftableAnimalsRegistry.createEntity(CraftableAnimalsRegistry.java:76)
at naruto1310.craftableAnimals.vanilla.TileEntityMobSpawnerCALogic.func_98265_a(TileEntityMobSpawnerCALogic.java:87)
at net.minecraft.tileentity.MobSpawnerBaseLogic.func_98278_g(SourceFile:92)
at naruto1310.craftableAnimals.vanilla.TileEntityMobSpawnerCA.func_70316_g(TileEntityMobSpawnerCA.java:32)

-- Tile entity being ticked --
Details:
Name: MobSpawner // naruto1310.craftableAnimals.vanilla.TileEntityMobSpawnerCA
Block type: ID #52 (tile.mobSpawner // naruto1310.craftableAnimals.vanilla.BlockMobSpawnerCA)
Block data value: 0 / 0x0 / 0b0000
Block location: World: (773,53,390), Chunk: (at 5,3,6 in 48,24; contains blocks 768,0,384 to 783,255,399), Region: (1,0; contains chunks 32,0 to 63,31, blocks 512,0,0 to 1023,255,511)
Actual block type: ID #52 (tile.mobSpawner // naruto1310.craftableAnimals.vanilla.BlockMobSpawnerCA)
Actual block data value: 0 / 0x0 / 0b0000
Stacktrace:
at net.minecraft.world.World.func_72939_s(World.java:2195)
at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:543)

-- Affected level --
Details:
Level name: Survival World 2 - SPF Biome
All players: 1 total; [EntityPlayerMP['Player'/67, l='Survival World 2 - SPF Biome', x=766.50, y=64.00, z=390.70]]
Chunk stats: ServerChunkCache: 1068 Drop: 0
Level seed: -81589874084632615
Level generator: ID 00 - default, ver 1. Features enabled: true
Level generator options:
Level spawn location: World: (250,64,196), Chunk: (at 10,4,4 in 15,12; contains blocks 240,0,192 to 255,255,207), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 425121 game time, 701 day time
Level dimension: 0
Level storage version: 0x04ABD - Anvil
Level weather: Rain time: 292 (now: true), thunder time: 11211 (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:651)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:570)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:171)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:468)
at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)

-- System Details --
Details:
Minecraft Version: 1.5.1
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.7.0_11, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 464509152 bytes (442 MB) / 655360000 bytes (625 MB) up to 954466304 bytes (910 MB)
JVM Flags: 2 total; -Xms512m -Xmx1024m
AABB Pool Size: 4321 (241976 bytes; 0 MB) allocated, 4144 (232064 bytes; 0 MB) used
Suspicious classes: FML and Forge are installed
IntCache: cache: 0, tcache: 1, allocated: 3, tallocated: 61
FML: MCP v7.44 FML v5.1.15.637 Minecraft Forge 7.7.1.637 Optifine OptiFine_1.5.1_HD_U_B2 9 mods loaded, 9 mods active
mcp [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FML [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forge [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
CodeChickenCore [CodeChicken Core] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
NotEnoughItems [Not Enough Items] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
craftableAnimals [Craftable Animals] ([1.5.1]CraftableAnimals v2.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Backpack [Backpack] (backpack-1.7.8-1.5.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
PetBat [Pet Bat] (PetBat_1.5.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
teeluk_SpecialArmor [SpecialArmor] (SpecialArmor_1.5.1a.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Profiler Position: N/A (disabled)
Vec3 Pool Size: 1219 (68264 bytes; 0 MB) allocated, 1219 (68264 bytes; 0 MB) used
Player Count: 1 / 8; [EntityPlayerMP['Player'/67, l='Survival World 2 - SPF Biome', x=766.50, y=64.00, z=390.70]]
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'




Your help would be deeply appreciated.

~Yours,
a Minecraft Mediocre.

Whenever I install mods, I get the same error. I just have to use vanilla minecraft.

Does Minecraft crash everytime you try to load a world, or does it crash halfway when roaming the map?
If the latter is the case, then the solution is simple: Find out which mod is causing your Minecraft to crash, and simply remove the mod when exploring the crash-prone area. For example, after looking through my crash report, I've noticed that the CraftableAnimals mod by naruto[something-something] is causing the crash at a particular spot of my world. I simply removed that mod from the mods folder, and true enough, Minecraft no longer crashes when I explore that area. If you want the mod contents back, simply travel away from the error-prone chunk far enough until it is out of sight, sign out of the session, put back the mod, and relaunch Minecraft. If you ever happen to go there by accident and Mc crashes again, remove the mod.
Troublesome, but at least it saves you from the trouble of reverting back previous saves and losing all your un-backed up progress.

i got the same problem too, my mods are ICBM and Universal Electricity and when i power the rocket with the battery box it would freeze and crash i don't know why but ICBM and Universal Electricity are compatible or not? pls reply

Clueless, absolutely clueless, Ive even tried deleting the chunks with McEdit