Exception in world tick

      Minecraft has crashed!      
      ----------------------      

Minecraft has stopped running because it encountered a problem; Exception in world tick

A full error report has been saved to C:\Users\JOEL\AppData\Roaming\.minecraft\crash-reports\crash-2013-06-23_22.08.43-client.txt - Please include a copy of that file (Not this screen!) if you report this crash to anyone; without it, they will not be able to help fix the crash :(



--- BEGIN ERROR REPORT e1e7b0a7 --------
Full report at:
C:\Users\JOEL\AppData\Roaming\.minecraft\crash-reports\crash-2013-06-23_22.08.43-client.txt
Please show that file to Mojang, NOT just this screen!

Generated 23/06/13 22.08

-- Head --
Stacktrace:
	at net.minecraft.client.multiplayer.NetClientHandler.func_72519_a(NetClientHandler.java:930)
	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:266)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [EntityClientPlayerMP['Kentluciano322'/16, l='MpServer', x=1027,25, y=5,62, z=778,84]]
	Chunk stats: MultiplayerChunkCache: 441
	Level seed: 0
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 
	Level spawn location: World: (1005,4,767), Chunk: (at 13,0,15 in 62,47; contains blocks 992,0,752 to 1007,255,767), Region: (1,1; contains chunks 32,32 to 63,63, blocks 512,0,512 to 1023,255,1023)
	Level time: 376 game time, 376 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: creative (ID 1). Hardcore: false. Cheats: false
	Forced entities: 1 total; [EntityClientPlayerMP['Kentluciano322'/16, l='MpServer', x=1027,25, y=5,62, z=778,84]]
	Retry entities: 0 total; []
Stacktrace:
	at net.minecraft.client.multiplayer.WorldClient.func_72914_a(WorldClient.java:441)
	at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1875)
	at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:835)
	at net.minecraft.client.Minecraft.run(Minecraft.java:760)
	at java.lang.Thread.run(Unknown Source)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [EntityClientPlayerMP['Kentluciano322'/16, l='MpServer', x=1027,25, y=5,62, z=778,84]]
	Chunk stats: MultiplayerChunkCache: 441
	Level seed: 0
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 
	Level spawn location: World: (1005,4,767), Chunk: (at 13,0,15 in 62,47; contains blocks 992,0,752 to 1007,255,767), Region: (1,1; contains chunks 32,32 to 63,63, blocks 512,0,512 to 1023,255,1023)
	Level time: 376 game time, 376 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: creative (ID 1). Hardcore: false. Cheats: false
	Forced entities: 1 total; [EntityClientPlayerMP['Kentluciano322'/16, l='MpServer', x=1027,25, y=5,62, z=778,84]]
	Retry entities: 0 total; []

-- System Details --
Details:
	Minecraft Version: 1.5.2
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.7.0_17, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
	Memory: 228156952 bytes (217 MB) / 679194624 bytes (647 MB) up to 1037959168 bytes (989 MB)
	JVM Flags: 2 total; -Xms512m -Xmx1024m
	AABB Pool Size: 19635 (1099560 bytes; 1 MB) allocated, 21 (1176 bytes; 0 MB) used
	Suspicious classes: FML and Forge are installed
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	FML: MCP v7.51 FML v5.2.10.703 Minecraft Forge 7.8.0.703 5 mods loaded, 5 mods active
	mcp{7.44} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	FML{5.2.10.703} [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	Forge{7.8.0.703} [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	DragonMounts{0.99.2} [Dragon Mounts Forge (WIP)] (dragonmount_v0.99.2_mc1.5.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	TC{4.0.0_035} [Traincraft] (traincraft-4.0.0_035.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	LWJGL: 2.4.2
	OpenGL: AMD Radeon(TM) HD 6520G GL version 4.1.11156 Compatibility Profile Context, ATI Technologies Inc.
	Is Modded: Definitely; Client brand changed to 'fml,forge'
	Type: Client (map_client.txt)
	Texture Pack: Default
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 105 (5880 bytes; 0 MB) allocated, 19 (1064 bytes; 0 MB) used

java.lang.NullPointerException
	at net.minecraft.client.multiplayer.NetClientHandler.func_72519_a(NetClientHandler.java:930)
	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:266)
	at net.minecraft.client.multiplayer.WorldClient.func_72835_b(WorldClient.java:94)
	at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1862)
	at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:835)
	at net.minecraft.client.Minecraft.run(Minecraft.java:760)
	at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT 8648b956 ----------