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so when i go on my forge server, it closes my mine craft and crashes!!?? the server is fine though...

here is the error

---- Minecraft Crash Report ----
// Why did you do that?

Time: 3/31/15 11:54 PM
Description: Ticking screen

java.lang.IllegalStateException: Server tried to update attributes of a non-living entity (actually: EntityThrownRock['entity.EntityThrownRock.name'/292, l='MpServer', x=-31.72, y=62.50, z=-84.25])
at net.minecraft.client.network.NetHandlerPlayClient.func_147290_a(NetHandlerPlayClient.java:1615)
at net.minecraft.network.play.server.S20PacketEntityProperties.func_148833_a(SourceFile:71)
at net.minecraft.network.play.server.S20PacketEntityProperties.func_148833_a(SourceFile:15)
at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:212)
at net.minecraft.client.multiplayer.GuiConnecting.func_73876_c(SourceFile:78)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1649)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:961)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:887)
at net.minecraft.client.main.Main.main(SourceFile:148)
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: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.client.network.NetHandlerPlayClient.func_147290_a(NetHandlerPlayClient.java:1615)
at net.minecraft.network.play.server.S20PacketEntityProperties.func_148833_a(SourceFile:71)
at net.minecraft.network.play.server.S20PacketEntityProperties.func_148833_a(SourceFile:15)
at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:212)
at net.minecraft.client.multiplayer.GuiConnecting.func_73876_c(SourceFile:78)

-- Affected screen --
Details:
Screen name: ~~ERROR~~ NullPointerException: null

-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [EntityClientPlayerMP['napoleon9'/570, l='MpServer', x=13.50, y=63.62, z=-57.50]]
Chunk stats: MultiplayerChunkCache: 25, 25
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: World: (23,64,-64), Chunk: (at 7,4,0 in 1,-4; contains blocks 16,0,-64 to 31,255,-49), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
Level time: 7580 game time, 7580 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: 11 total; [EntityBat['Bat'/356, l='MpServer', x=27.75, y=43.50, z=-78.53], EntityClientPlayerMP['napoleon9'/570, l='MpServer', x=13.50, y=63.62, z=-57.50], EntitySkeleton['Skeleton'/357, l='MpServer', x=17.53, y=31.00, z=-63.84], EnchantedCow['Enchanted Golden Apple Cow'/359, l='MpServer', x=34.38, y=85.00, z=-32.31], EntityThrownRock['entity.EntityThrownRock.name'/292, l='MpServer', x=-31.72, y=62.50, z=-84.25], EntityZombie['Zombie'/337, l='MpServer', x=6.50, y=19.00, z=-19.50], EntitySpider['Spider'/334, l='MpServer', x=12.66, y=33.00, z=-74.00], Dragon['Dragon'/335, l='MpServer', x=13.13, y=59.22, z=-72.50], EnchantedCow['Enchanted Golden Apple Cow'/333, l='MpServer', x=9.47, y=89.22, z=-49.41], Dragon['Dragon'/317, l='MpServer', x=-11.72, y=64.00, z=-68.69], EntityItem['item.item.wheat'/569, l='MpServer', x=36.13, y=61.13, z=-64.78]]
Retry entities: 0 total; []
Server brand: fml,forge
Server type: Non-integrated multiplayer server
Stacktrace:
at net.minecraft.client.multiplayer.WorldClient.func_72914_a(WorldClient.java:373)
at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2432)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:909)
at net.minecraft.client.main.Main.main(SourceFile:148)
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:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Mac OS X (x86_64) version 10.8.5
Java Version: 1.6.0_65, Apple Inc.
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
Memory: 184271720 bytes (175 MB) / 323665920 bytes (308 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 5 total; -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: 0, tallocated: 0
FML: MCP v9.05 FML v7.10.85.1291 Minecraft Forge 10.13.2.1291 11 mods loaded, 11 mods active
mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
FML{7.10.85.1291} [Forge Mod Loader] (forge-1.7.10-10.13.2.1291.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Forge{10.13.2.1291} [Minecraft Forge] (forge-1.7.10-10.13.2.1291.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
TooManyItems{1.7.10} [TooManyItems] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
lucky{5.1.0} [Lucky Block] ([1-7-10]_Lucky_Block_v5-1-0-2) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
IMSM{100.0.2} [IMSM] ([1.7.10]InstantMassiveStructuresMod.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
iChunUtil{4.0.0} [iChunUtil] (iChunUtil-4.0.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Mantle{1.7.10-0.3.2.jenkins184} [Mantle] (Mantle-1.7.10-0.3.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Morph{0.9.1} [Morph] (Morph-Beta-0.9.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
OreSpawn{1.7.10.20.3} [OreSpawn] (orespawn-1-2) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
weaponmod{v1.14.3} [Balkon's WeaponMod] (weaponmod-1.14.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Mantle Environment: Environment healthy.
Launched Version: 1.7.10-Forge10.13.2.1291
LWJGL: 2.9.1
OpenGL: NVIDIA GeForce GT 650M OpenGL Engine GL version 2.1 NVIDIA-8.16.80 310.40.00.20f04, NVIDIA Corporation
GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because ARB_framebuffer_object 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: []
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)

ok sure