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Here is my crash report

---- Minecraft Crash Report ----
// Don't be sad. I'll do better next time, I promise!

Time: 10/08/14 9:10 AM
Description: Exception in server tick loop

java.lang.NoClassDefFoundError: net/minecraft/world/World$2
at net.minecraft.world.World.func_147460_e(World.java:691)
at net.minecraft.world.World.func_147459_d(World.java:626)
at net.minecraft.world.World.func_147444_c(World.java:590)
at net.minecraft.world.World.func_147465_d(World.java:456)
at net.minecraft.world.World.func_147449_b(World.java:577)
at net.minecraft.block.BlockLiquid.func_149805_n(BlockLiquid.java:514)
at net.minecraft.block.BlockLiquid.func_149726_b(BlockLiquid.java:445)
at net.minecraft.block.BlockDynamicLiquid.func_149726_b(SourceFile:223)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:647)
at net.minecraft.world.World.func_147465_d(World.java:442)
at net.minecraft.block.BlockDynamicLiquid.func_149813_h(SourceFile:117)
at net.minecraft.block.BlockDynamicLiquid.func_149674_a(SourceFile:101)
at net.minecraft.world.WorldServer.func_147454_a(WorldServer.java:443)
at net.minecraft.world.WorldServer.func_147464_a(WorldServer.java:420)
at net.minecraft.block.BlockDynamicLiquid.func_149726_b(SourceFile:225)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:647)
at net.minecraft.world.World.func_147465_d(World.java:442)
at net.minecraft.block.BlockDynamicLiquid.func_149813_h(SourceFile:117)
at net.minecraft.block.BlockDynamicLiquid.func_149674_a(SourceFile:90)
at net.minecraft.world.WorldServer.func_147454_a(WorldServer.java:443)
at net.minecraft.world.WorldServer.func_147464_a(WorldServer.java:420)
at net.minecraft.block.BlockDynamicLiquid.func_149726_b(SourceFile:225)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:647)
at net.minecraft.world.World.func_147465_d(World.java:442)
at net.minecraft.block.BlockDynamicLiquid.func_149813_h(SourceFile:117)
at net.minecraft.block.BlockDynamicLiquid.func_149674_a(SourceFile:90)
at net.minecraft.world.WorldServer.func_147454_a(WorldServer.java:443)
at net.minecraft.world.WorldServer.func_147464_a(WorldServer.java:420)
at net.minecraft.block.BlockDynamicLiquid.func_149726_b(SourceFile:225)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:647)
at net.minecraft.world.World.func_147465_d(World.java:442)
at net.minecraft.block.BlockDynamicLiquid.func_149813_h(SourceFile:117)
at net.minecraft.block.BlockDynamicLiquid.func_149674_a(SourceFile:90)
at net.minecraft.world.WorldServer.func_147454_a(WorldServer.java:443)
at net.minecraft.world.WorldServer.func_147464_a(WorldServer.java:420)
at net.minecraft.block.BlockDynamicLiquid.func_149726_b(SourceFile:225)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:647)
at net.minecraft.world.World.func_147465_d(World.java:442)
at net.minecraft.block.BlockDynamicLiquid.func_149813_h(SourceFile:117)
at net.minecraft.block.BlockDynamicLiquid.func_149674_a(SourceFile:90)
at net.minecraft.world.WorldServer.func_147454_a(WorldServer.java:443)
at net.minecraft.world.WorldServer.func_147464_a(WorldServer.java:420)
at net.minecraft.block.BlockDynamicLiquid.func_149726_b(SourceFile:225)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:647)
at net.minecraft.world.World.func_147465_d(World.java:442)
at net.minecraft.block.BlockDynamicLiquid.func_149813_h(SourceFile:117)
at net.minecraft.block.BlockDynamicLiquid.func_149674_a(SourceFile:92)
at net.minecraft.world.WorldServer.func_147454_a(WorldServer.java:443)
at net.minecraft.world.WorldServer.func_147464_a(WorldServer.java:420)
at net.minecraft.block.BlockDynamicLiquid.func_149674_a(SourceFile:73)
at net.minecraft.world.WorldServer.func_147454_a(WorldServer.java:443)
at net.minecraft.world.WorldServer.func_147464_a(WorldServer.java:420)
at net.minecraft.block.BlockDynamicLiquid.func_149726_b(SourceFile:225)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:647)
at net.minecraft.world.World.func_147465_d(World.java:442)
at net.minecraft.block.BlockDynamicLiquid.func_149813_h(SourceFile:117)
at net.minecraft.block.BlockDynamicLiquid.func_149674_a(SourceFile:101)
at net.minecraft.world.WorldServer.func_147454_a(WorldServer.java:443)
at net.minecraft.world.WorldServer.func_147464_a(WorldServer.java:420)
at net.minecraft.block.BlockDynamicLiquid.func_149726_b(SourceFile:225)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:647)
at net.minecraft.world.World.func_147465_d(World.java:442)
at net.minecraft.block.BlockDynamicLiquid.func_149813_h(SourceFile:117)
at net.minecraft.block.BlockDynamicLiquid.func_149674_a(SourceFile:90)
at net.minecraft.world.WorldServer.func_147454_a(WorldServer.java:443)
at net.minecraft.world.WorldServer.func_147464_a(WorldServer.java:420)
at net.minecraft.block.BlockDynamicLiquid.func_149726_b(SourceFile:225)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:647)
at net.minecraft.world.World.func_147465_d(World.java:442)
at net.minecraft.block.BlockDynamicLiquid.func_149813_h(SourceFile:117)
at net.minecraft.block.BlockDynamicLiquid.func_149674_a(SourceFile:90)
at net.minecraft.world.WorldServer.func_147454_a(WorldServer.java:443)
at net.minecraft.world.WorldServer.func_147464_a(WorldServer.java:420)
at net.minecraft.block.BlockDynamicLiquid.func_149726_b(SourceFile:225)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:647)
at net.minecraft.world.World.func_147465_d(World.java:442)
at net.minecraft.block.BlockDynamicLiquid.func_149813_h(SourceFile:117)
at net.minecraft.block.BlockDynamicLiquid.func_149674_a(SourceFile:92)
at net.minecraft.world.WorldServer.func_147454_a(WorldServer.java:443)
at net.minecraft.world.WorldServer.func_147464_a(WorldServer.java:420)
at net.minecraft.block.BlockDynamicLiquid.func_149726_b(SourceFile:225)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:647)
at net.minecraft.world.World.func_147465_d(World.java:442)
at net.minecraft.block.BlockDynamicLiquid.func_149813_h(SourceFile:117)
at net.minecraft.block.BlockDynamicLiquid.func_149674_a(SourceFile:101)
at net.minecraft.world.WorldServer.func_147454_a(WorldServer.java:443)
at net.minecraft.world.WorldServer.func_147464_a(WorldServer.java:420)
at net.minecraft.block.BlockDynamicLiquid.func_149726_b(SourceFile:225)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:647)
at net.minecraft.world.World.func_147465_d(World.java:442)
at net.minecraft.block.BlockDynamicLiquid.func_149813_h(SourceFile:117)
at net.minecraft.block.BlockDynamicLiquid.func_149674_a(SourceFile:101)
at net.minecraft.world.WorldServer.func_147454_a(WorldServer.java:443)
at net.minecraft.world.WorldServer.func_147464_a(WorldServer.java:420)
at net.minecraft.block.BlockDynamicLiquid.func_149674_a(SourceFile:73)
at net.minecraft.world.WorldServer.func_147454_a(WorldServer.java:443)
at net.minecraft.world.WorldServer.func_147464_a(WorldServer.java:420)
at net.minecraft.block.BlockDynamicLiquid.func_149726_b(SourceFile:225)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:647)
at net.minecraft.world.World.func_147465_d(World.java:442)
at net.minecraft.block.BlockDynamicLiquid.func_149813_h(SourceFile:117)
at net.minecraft.block.BlockDynamicLiquid.func_149674_a(SourceFile:104)
at net.minecraft.world.WorldServer.func_147454_a(WorldServer.java:443)
at net.minecraft.world.WorldServer.func_147464_a(WorldServer.java:420)
at net.minecraft.block.BlockDynamicLiquid.func_149726_b(SourceFile:225)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:647)
at net.minecraft.world.World.func_147465_d(World.java:442)
at net.minecraft.block.BlockDynamicLiquid.func_149813_h(SourceFile:117)
at net.minecraft.block.BlockDynamicLiquid.func_149674_a(SourceFile:92)
at net.minecraft.world.WorldServer.func_147454_a(WorldServer.java:443)
at net.minecraft.world.WorldServer.func_147464_a(WorldServer.java:420)
at net.minecraft.block.BlockDynamicLiquid.func_149726_b(SourceFile:225)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:647)
at net.minecraft.world.World.func_147465_d(World.java:442)
at net.minecraft.block.BlockDynamicLiquid.func_149813_h(SourceFile:117)
at net.minecraft.block.BlockDynamicLiquid.func_149674_a(SourceFile:104)
at net.minecraft.world.WorldServer.func_147454_a(WorldServer.java:443)
at net.minecraft.world.WorldServer.func_147464_a(WorldServer.java:420)
at net.minecraft.block.BlockDynamicLiquid.func_149674_a(SourceFile:73)
at net.minecraft.world.WorldServer.func_147454_a(WorldServer.java:443)
at net.minecraft.world.WorldServer.func_147464_a(WorldServer.java:420)
at net.minecraft.block.BlockDynamicLiquid.func_149726_b(SourceFile:225)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:647)
at net.minecraft.world.World.func_147465_d(World.java:442)
at net.minecraft.block.BlockDynamicLiquid.func_149813_h(SourceFile:117)
at net.minecraft.block.BlockDynamicLiquid.func_149674_a(SourceFile:104)
at net.minecraft.world.WorldServer.func_147454_a(WorldServer.java:443)
at net.minecraft.world.WorldServer.func_147464_a(WorldServer.java:420)
at net.minecraft.block.BlockDynamicLiquid.func_149726_b(SourceFile:225)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:647)
at net.minecraft.world.World.func_147465_d(World.java:442)
at net.minecraft.block.BlockDynamicLiquid.func_149813_h(SourceFile:117)
at net.minecraft.block.BlockDynamicLiquid.func_149674_a(SourceFile:90)
at net.minecraft.world.WorldServer.func_147454_a(WorldServer.java:443)
at net.minecraft.world.WorldServer.func_147464_a(WorldServer.java:420)
at net.minecraft.block.BlockDynamicLiquid.func_149726_b(SourceFile:225)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:647)
at net.minecraft.world.World.func_147465_d(World.java:442)
at net.minecraft.block.BlockDynamicLiquid.func_149813_h(SourceFile:117)
at net.minecraft.block.BlockDynamicLiquid.func_149674_a(SourceFile:92)
at net.minecraft.world.WorldServer.func_147454_a(WorldServer.java:443)
at net.minecraft.world.WorldServer.func_147464_a(WorldServer.java:420)
at net.minecraft.block.BlockDynamicLiquid.func_149726_b(SourceFile:225)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:647)
at net.minecraft.world.World.func_147465_d(World.java:442)
at net.minecraft.block.BlockDynamicLiquid.func_149813_h(SourceFile:117)
at net.minecraft.block.BlockDynamicLiquid.func_149674_a(SourceFile:101)
at net.minecraft.world.gen.feature.WorldGenLiquids.func_76484_a(SourceFile:39)
at net.minecraft.world.biome.BiomeDecorator.func_150513_a(BiomeDecorator.java:312)
at net.minecraft.world.biome.BiomeDecorator.func_150512_a(BiomeDecorator.java:105)
at net.minecraft.world.biome.BiomeGenBase.func_76728_a(BiomeGenBase.java:339)
at net.minecraft.world.biome.BiomeGenPlains.func_76728_a(BiomeGenPlains.java:96)
at net.minecraft.world.gen.ChunkProviderGenerate.func_73153_a(ChunkProviderGenerate.java:421)
at net.minecraft.world.gen.ChunkProviderServer.func_73153_a(ChunkProviderServer.java:273)
at net.minecraft.world.chunk.Chunk.func_76624_a(Chunk.java:1042)
at net.minecraft.world.gen.ChunkProviderServer.originalLoadChunk(ChunkProviderServer.java:184)
at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:125)
at net.minecraft.server.management.PlayerManager$PlayerInstance.<init>(PlayerManager.java:328)
at net.minecraft.server.management.PlayerManager.func_72690_a(PlayerManager.java:106)
at net.minecraft.server.management.PlayerManager.func_72691_b(PlayerManager.java:183)
at net.minecraft.server.management.PlayerManager.func_72685_d(PlayerManager.java:276)
at net.minecraft.server.management.ServerConfigurationManager.func_72358_d(ServerConfigurationManager.java:277)
at net.minecraft.network.NetHandlerPlayServer.func_147347_a(NetHandlerPlayServer.java:401)
at net.minecraft.network.play.client.C03PacketPlayer.func_148833_a(SourceFile:137)
at net.minecraft.network.play.client.C03PacketPlayer$C04PacketPlayerPosition.func_148833_a(SourceFile:63)
at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:197)
at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:165)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:644)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:531)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:111)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:414)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:670)


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

-- System Details --
Details:
Minecraft Version: 1.7.2
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.7.0_55, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 147936304 bytes (141 MB) / 523501568 bytes (499 MB) up to 523501568 bytes (499 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
AABB Pool Size: 4055 (227080 bytes; 0 MB) allocated, 3682 (206192 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 15, tallocated: 95
FML: MCP v9.03 FML v7.2.217.1147 Minecraft Forge 10.12.2.1147 25 mods loaded, 25 mods active
mcp{9.03} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FML{7.2.217.1147} [Forge Mod Loader] (forge-1.7.2-10.12.2.1147.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forge{10.12.2.1147} [Minecraft Forge] (forge-1.7.2-10.12.2.1147.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
CodeChickenCore{1.0.1.7} [CodeChicken Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
TooManyItems{1.7.2} [TooManyItems] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DamageIndicatorsMod{3.1.2} [Damage Indicators] ([1.7.2]DamageIndicatorsMod-3.1.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ArchimedesShips{1.7.2 v1.7.0} [Archimedes' Ships] (ArchimedesShips.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Core{6.0.16} [BuildCraft] (buildcraft-6.0.16.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Builders{6.0.16} [BC Builders] (buildcraft-6.0.16.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Energy{6.0.16} [BC Energy] (buildcraft-6.0.16.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Factory{6.0.16} [BC Factory] (buildcraft-6.0.16.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Transport{6.0.16} [BC Transport] (buildcraft-6.0.16.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Silicon{6.0.16} [BC Silicon] (buildcraft-6.0.16.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
craftguide{1.6.8.1} [CraftGuide] (CraftGuide-1.6.8.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
iChunUtil{3.3.0} [iChunUtil] (iChun-Util-Mod-1.7.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
IC2{2.1.483-experimental} [IndustrialCraft 2] (Industrial-Craft-2-Mod-Experimental-1.7.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
inventorytweaks{1.57-116} [Inventory Tweaks] (InventoryTweaks-1.57-116.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
more{1.0} [more] (M-Ore 1.7.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Morph{0.8.1} [Morph] (Morphing-Mod-1.7.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
cfm{3.3.2} [§6MrCrayfish's Furniture Mod] (MrCrayfishFurnitureModv3.3.2(1.7.2).jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
secretroomsmod{@[email protected]} [The SecretRoomsMod] (secretroomsmod-1.7.2-4.6.3.345.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
securitycraft{v1.5.11} [SecurityCraft] (SecurityCraft v1.5.11 for 1.7.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
bspkrsCore{6.11} [bspkrsCore] ([1.7.2]bspkrsCore-universal-6.11.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Treecapitator{1.7.2} [Treecapitator] (Tree-Capitator-Mod-1.7.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
weaponmod{1.7.2 v1.14.2} [Balkon's WeaponMod] (weaponmod-1.14.2 (1).jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Profiler Position: N/A (disabled)
Vec3 Pool Size: 1118 (62608 bytes; 0 MB) allocated, 1080 (60480 bytes; 0 MB) used
Player Count: 1 / 8; [EntityPlayerMP['lovemymu'/183, l='sams game', x=-301.41, y=72.36, z=672.15]]
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'