Minecraft Forums

I think the problem is mod related, but I have no clue how to fix it. As soon as I enter a specific world, minecraft turns grey/black and crashes. For some reason all my other worlds are fine, the problem seems to be only with that particular one.

Any suggestions?

Crash Report

---- Minecraft Crash Report ----
// Oh - I know what I did wrong!

Time: 10/1/15 5:03 AM
Description: Rendering Block Entity

java.lang.NullPointerException: Rendering Block Entity
at net.minecraft.tileentity.MobSpawnerBaseLogic.func_98265_a(SourceFile:110)
at net.minecraft.tileentity.MobSpawnerBaseLogic.func_98281_h(SourceFile:236)
at net.minecraft.client.renderer.tileentity.TileEntityMobSpawnerRenderer.func_147517_a(SourceFile:20)
at net.minecraft.client.renderer.tileentity.TileEntityMobSpawnerRenderer.func_147500_a(SourceFile:15)
at net.minecraft.client.renderer.tileentity.TileEntityMobSpawnerRenderer.func_147500_a(SourceFile:10)
at net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher.func_147549_a(SourceFile:100)
at net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher.func_147544_a(SourceFile:92)
at net.minecraft.client.renderer.RenderGlobal.func_147589_a(RenderGlobal.java:483)
at net.minecraft.client.renderer.EntityRenderer.func_78471_a(EntityRenderer.java:1224)
at net.minecraft.client.renderer.EntityRenderer.func_78480_b(EntityRenderer.java:1015)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1001)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:898)
at net.minecraft.client.main.Main.main(SourceFile:148)
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:483)
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 net.minecraft.tileentity.MobSpawnerBaseLogic.func_98265_a(SourceFile:110)
at net.minecraft.tileentity.MobSpawnerBaseLogic.func_98281_h(SourceFile:236)
at net.minecraft.client.renderer.tileentity.TileEntityMobSpawnerRenderer.func_147517_a(SourceFile:20)
at net.minecraft.client.renderer.tileentity.TileEntityMobSpawnerRenderer.func_147500_a(SourceFile:15)
at net.minecraft.client.renderer.tileentity.TileEntityMobSpawnerRenderer.func_147500_a(SourceFile:10)

-- Block Entity Details --
Details:
Name: MobSpawner // net.minecraft.tileentity.TileEntityMobSpawner
Block type: ID #52 (tile.mobSpawner // net.minecraft.block.BlockMobSpawner)
Block data value: 0 / 0x0 / 0b0000
Block location: World: (-151,63,48), Chunk: (at 9,3,0 in -10,3; contains blocks -160,0,48 to -145,255,63), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Actual block type: ID #52 (tile.mobSpawner // net.minecraft.block.BlockMobSpawner)
Actual block data value: 0 / 0x0 / 0b0000
Stacktrace:
at net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher.func_147549_a(SourceFile:100)
at net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher.func_147544_a(SourceFile:92)
at net.minecraft.client.renderer.RenderGlobal.func_147589_a(RenderGlobal.java:483)
at net.minecraft.client.renderer.EntityRenderer.func_78471_a(EntityRenderer.java:1224)

-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [EntityClientPlayerMP['Coonley'/484684, l='MpServer', x=-150.67, y=67.19, z=49.26]]
Chunk stats: MultiplayerChunkCache: 105, 105
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: World: (-128,64,220), Chunk: (at 0,4,12 in -8,13; contains blocks -128,0,208 to -113,255,223), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Level time: 2586029 game time, 1451827 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: true), thunder time: 0 (now: false)
Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
Forced entities: 60 total; [EntityCow['Cow'/484609, l='MpServer', x=-78.50, y=69.00, z=111.50], EntityCow['Cow'/484608, l='MpServer', x=-76.50, y=69.00, z=111.50], EntityItem['item.item.dyePowder.black'/484535, l='MpServer', x=-208.97, y=57.13, z=20.13], EntityItem['item.item.dyePowder.black'/484534, l='MpServer', x=-210.13, y=57.13, z=19.47], EntityItem['item.item.dyePowder.black'/484533, l='MpServer', x=-211.75, y=57.13, z=19.31], EntityItem['item.item.dyePowder.black'/484532, l='MpServer', x=-210.88, y=57.13, z=21.06], MoCEntityDragonfly['DragonFly'/484529, l='MpServer', x=-226.16, y=67.00, z=140.66], EntityChicken['Chicken'/484537, l='MpServer', x=-212.94, y=98.00, z=24.53], EntityItem['item.item.egg'/484536, l='MpServer', x=-213.56, y=98.13, z=23.13], EntityChicken['Chicken'/484687, l='MpServer', x=-199.66, y=106.00, z=-0.56], EntityItem['item.item.dyePowder.black'/484559, l='MpServer', x=-115.25, y=52.13, z=42.19], EntityChicken['Chicken'/484695, l='MpServer', x=-223.53, y=87.00, z=-0.38], EntityChicken['Chicken'/484567, l='MpServer', x=-117.78, y=64.00, z=82.31], MoCEntityFirefly['Firefly'/484694, l='MpServer', x=-139.59, y=90.00, z=-17.28], EntityChicken['Chicken'/484566, l='MpServer', x=-113.78, y=64.00, z=80.78], MoCEntityMaggot['Maggot'/484693, l='MpServer', x=-142.31, y=91.00, z=-19.25], EntityChicken['Chicken'/484565, l='MpServer', x=-115.69, y=64.00, z=80.78], MoCEntityFirefly['Firefly'/484692, l='MpServer', x=-139.31, y=90.00, z=-18.78], EntityChicken['Chicken'/484564, l='MpServer', x=-114.59, y=64.00, z=82.41], MoCEntityFirefly['Firefly'/484691, l='MpServer', x=-142.66, y=90.00, z=-23.50], EntityChicken['Chicken'/484563, l='MpServer', x=-116.22, y=64.00, z=80.78], EntitySheep['Sheep'/484690, l='MpServer', x=-136.47, y=67.00, z=-28.34], EntityChicken['Chicken'/484562, l='MpServer', x=-115.13, y=64.00, z=80.78], EntityItem['item.item.dyePowder.black'/484561, l='MpServer', x=-113.78, y=52.13, z=40.81], EntityItem['item.item.dyePowder.black'/484560, l='MpServer', x=-116.97, y=52.13, z=44.78], EntityItem['item.item.egg'/484574, l='MpServer', x=-116.75, y=64.13, z=81.44], EntityChicken['Chicken'/484701, l='MpServer', x=-210.31, y=81.00, z=-22.47], EntityItem['item.item.egg'/484573, l='MpServer', x=-118.91, y=64.13, z=81.38], EntityItem['item.item.egg'/484572, l='MpServer', x=-115.38, y=64.13, z=81.16], EntityChicken['Chicken'/484571, l='MpServer', x=-119.47, y=64.00, z=80.78], EntityChicken['Chicken'/484570, l='MpServer', x=-120.47, y=64.00, z=80.78], EntityItem['item.item.egg'/484697, l='MpServer', x=-209.41, y=105.13, z=-0.47], EntityChicken['Chicken'/484569, l='MpServer', x=-116.78, y=64.00, z=80.78], EntityChicken['Chicken'/484696, l='MpServer', x=-212.50, y=103.00, z=-1.50], EntityChicken['Chicken'/484568, l='MpServer', x=-118.47, y=64.00, z=80.78], EntityPig['Pig'/484583, l='MpServer', x=-101.56, y=66.00, z=77.83], EntityPig['Pig'/484582, l='MpServer', x=-100.47, y=66.00, z=74.57], EntityPig['Pig'/484581, l='MpServer', x=-102.55, y=66.00, z=76.58], EntityPig['Pig'/484580, l='MpServer', x=-100.45, y=66.00, z=75.66], EntityPig['Pig'/484579, l='MpServer', x=-102.53, y=66.00, z=73.47], EntityPig['Pig'/484578, l='MpServer', x=-101.59, y=66.00, z=74.69], EntityPig['Pig'/484577, l='MpServer', x=-100.47, y=66.00, z=73.45], EntityPig['Pig'/484591, l='MpServer', x=-100.47, y=66.00, z=82.38], EntityClientPlayerMP['Coonley'/484684, l='MpServer', x=-150.67, y=67.19, z=49.26], EntityPig['Pig'/484590, l='MpServer', x=-102.53, y=66.00, z=83.53], EntityPig['Pig'/484589, l='MpServer', x=-101.29, y=66.00, z=81.29], EntityPig['Pig'/484588, l='MpServer', x=-100.47, y=66.00, z=83.53], EntityPig['Pig'/484587, l='MpServer', x=-102.53, y=66.00, z=82.31], EntityPig['Pig'/484586, l='MpServer', x=-100.47, y=66.00, z=79.01], EntityPig['Pig'/484585, l='MpServer', x=-102.53, y=66.00, z=79.23], EntityChicken['Chicken'/484712, l='MpServer', x=-79.63, y=62.41, z=-13.91], EntityPig['Pig'/484584, l='MpServer', x=-100.81, y=66.00, z=76.91], EntitySheep['Sheep'/484599, l='MpServer', x=-86.50, y=69.00, z=111.50], EntitySheep['Sheep'/484598, l='MpServer', x=-84.50, y=69.00, z=111.50], EntityCow['Cow'/484597, l='MpServer', x=-82.84, y=69.00, z=111.50], EntityCow['Cow'/484596, l='MpServer', x=-80.50, y=69.00, z=111.50], EntityPig['Pig'/484593, l='MpServer', x=-102.53, y=66.00, z=80.38], EntityPig['Pig'/484592, l='MpServer', x=-101.29, y=66.00, z=80.23], EntitySheep['Sheep'/484601, l='MpServer', x=-90.50, y=69.00, z=111.50], EntitySheep['Sheep'/484600, l='MpServer', x=-88.50, y=69.00, z=111.50]]
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:373)
at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2444)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:919)
at net.minecraft.client.main.Main.main(SourceFile:148)
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:483)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 168049624 bytes (160 MB) / 470560768 bytes (448 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
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 v7.10.99.99 Minecraft Forge 10.13.4.1448 6 mods loaded, 6 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCHIJAAAAAAAAA mcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
UCHIJAAAAAAAAA FML{7.10.99.99} [Forge Mod Loader] (forge-1.7.10-10.13.4.1448-1.7.10.jar)
UCHIJAAAAAAAAA Forge{10.13.4.1448} [Minecraft Forge] (forge-1.7.10-10.13.4.1448-1.7.10.jar)
UCHIJAAAAAAAAA CustomSpawner{3.3.0} [DrZhark's CustomSpawner] (CustomMobSpawner 3.3.0.zip)
UCHIJAAAAAAAAA customnpcs{1.7.10d} [CustomNpcs] (CustomNPCs_1.7.10d.jar)
UCHIJAAAAAAAAA MoCreatures{6.3.1} [DrZhark's Mo'Creatures Mod] (DrZharks MoCreatures Mod v6.3.1.zip)
GL info: ' Vendor: 'Intel' Version: '3.1.0 - Build 9.17.10.4229' Renderer: 'Intel(R) HD Graphics 3000'
Launched Version: 1.7.10-Forge10.13.4.1448-1.7.10
LWJGL: 2.9.1
OpenGL: Intel(R) HD Graphics 3000 GL version 3.1.0 - Build 9.17.10.4229, Intel
GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Anisotropic filtering is supported and maximum anisotropy is 16.
Shaders are available because OpenGL 2.1 is supported.

Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs: [MassiveCraft-V9.zip] Current Language: English (US)
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Anisotropic Filtering: Off (1)