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

Time: 21/12/14 09:00
Description: Exception in server tick loop

java.lang.NoClassDefFoundError: Lnet/minecraft/client/resources/data/IMetadataSerializer;
at java.lang.Class.getDeclaredFields0(Native Method)
at java.lang.Class.privateGetDeclaredFields(Unknown Source)
at java.lang.Class.getDeclaredField(Unknown Source)
at cpw.mods.fml.common.ProxyInjector.inject(ProxyInjector.java:43)
at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:492)
at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:314)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
at com.google.common.eventbus.EventBus.post(EventBus.java:267)
at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:208)
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:187)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:314)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
at com.google.common.eventbus.EventBus.post(EventBus.java:267)
at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:118)
at cpw.mods.fml.common.Loader.loadMods(Loader.java:491)
at cpw.mods.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:87)
at cpw.mods.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:319)
at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:167)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:599)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.resources.data.IMetadataSerializer
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:188)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 31 more
Caused by: java.lang.NullPointerException
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:180)
... 33 more


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 8.1 (amd64) version 6.3
Java Version: 1.7.0_71, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 908379944 bytes (866 MB) / 1029701632 bytes (982 MB) up to 1029701632 bytes (982 MB)
JVM Flags: 2 total; -Xmx1G -Xms1G
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 v9.03 FML v7.2.217.1147 Minecraft Forge 10.12.2.1147 38 mods loaded, 37 mods active
mcp{9.03} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed
FML{7.2.217.1147} [Forge Mod Loader] (cauldron.jar) Unloaded->Constructed
Forge{10.12.2.1147} [Minecraft Forge] (cauldron.jar) Unloaded->Constructed
grim3212core{V0.1 - 1.7.2} [Grim3212 Core] (Grim3212 Core-V0.1 - 1.7.2.jar) Unloaded->Constructed
bspkrsCore{6.11} [bspkrsCore] ([1.7.2]bspkrsCore-universal-6.11.jar) Unloaded->Constructed
FloatingRuins{1.7.2.r06} [FloatingRuins] ([1.7.2]FloatingRuins-universal-1.7.2.r06.jar) Unloaded->Constructed
Treecapitator{1.7.2} [Treecapitator] ([1.7.2]Treecapitator-universal-2.0.3.jar) Unloaded->Constructed
ArrowCamMod{2.0.0} [Arrow Cam Mod] (ArrowCamMod-1.7.2-2.0.0.jar) Unloaded->Constructed
asielib{0.2.3} [asielib] (AsieLib-1.7.2-0.2.4.jar) Unloaded->Constructed
ATG{0.10.0} [Alternate Terrain Generation] (ATG-1.7.2-0.10.0.jar) Unloaded->Constructed
attackench{1.6 for Mc 1.7.4} [Attacking Enchants, by Iron] (AttackEnch_v1.6.zip) Unloaded->Constructed
betterstorage{0.9.1.105-dev} [BetterStorage] (Better-Storage-Mod-1.7.2.jar) Unloaded->Constructed
chisel{1.5.3} [Chisel] (chisel-1.5.3.jar) Unloaded->Constructed
CustomSpawner{3.2.0.dev.R3} [DrZhark's CustomSpawner] (CustomMobSpawner 3.2.0-DEV-R3.zip) Unloaded->Constructed
baseDefense{1.0.0} [Base Defense] (defense-1.0.1-A2.jar) Unloaded->Constructed
blockench{1.6 for Mc 1.7.4} [Blocking Enchants, by Iron] (DefenseEnch_v1.6.zip) Unloaded->Constructed
eplus{1.7.2-2.0.3} [Enchanting Plus] (EnchantingPlus-1.7.2-2.0.3.jar) Unloaded->Constructed
FinderCompass{1.7.2} [Finder Compass] (FinderCompass_1.7.2.zip) Unloaded->Constructed
gvc{0.4.0} [Gliby's Voice Chat Mod] (GlibysVC-172_040.jar) Unloaded->Constructed
hammers{V0.1 - 1.7.2} [Hammers] (Hammers-V0.1 - 1.7.2.jar) Unloaded->Constructed
keepsomeitems{0.4b - 1.7.2} [Keep SOME Items] (KeepSomeInventory-0.4b - 1.7.2.jar) Unloaded->Constructed
Mantle{1.7.2-132.45b0b50} [Mantle] (Mantle-1.7.2-0.2.8.jar) Unloaded->Constructed
MetallurgyCore{4.0.1} [Metallurgy Core] (MetallurgyCore-1.7.2-4.0.2.4.jar) Unloaded->Constructed
Metallurgy{4.0.1} [Metallurgy 4] (Metallurgy-1.7.2-4.0.2.8.jar) Unloaded->Constructed
millenaire{5.2.0} [Mill�naire] (millenaire-5.2.jar) Unloaded->Constructed
AS_Minions{1.9.2} [Minions] (Minions-1.7.2.jar) Unloaded->Constructed
AencEx{0.0.1} [AencEx] (MoreEnchantments-1.7.X-1.1.jar) Unloaded->Constructed
me{1.1} [More Enchantments] (MoreEnchantments-1.7.X-1.1.jar) Unloaded->Constructed
Natura{2.2.0} [Natura] (natura-1.7.2-2.2.0a3.jar) Unloaded->Constructed
RopesPlus{1.6.2} [Ropes+] (RopePlus-1.7.2.jar) Unloaded->Constructed
dp_simpleflight{0.2} [Simple Flight] (simpleflight-0.2.jar) Unloaded->Constructed
chunkbase_slimemod_ssp{2.1} [Slime Mod (SSP)] (SlimeModSSP-1.7.2-2.1.jar) Unloaded->Constructed
torchLevers{1.4} [Torch Levers] (Torch-Levers-Mod-1.7.10.jar) Unloaded
TwilightForest{2.2.3} [The Twilight Forest] (twilightforest-1.7.2-2.2.3.jar) Unloaded
AS_UpdateCheck{1.1.5} [AtomicStryker Update Check Mod] (UpdateCheckerMod-1.7.2.jar) Unloaded
warpbook{1.0.35} [Warp Book] (warp-book-1.7.2-1.0.35.jar) Unloaded
weaponmod{1.7.2 v1.14.2} [Balkon's WeaponMod] (weaponmod-1.14.2.jar) Unloaded
asielibcore{} [AsieLib CoreMod] (minecraft.jar) Unloaded->Disabled
Mantle Environment: DO NOT REPORT THIS CRASH! Unsupported mods in environment: bukkit
Profiler Position: N/A (disabled)
Is Modded: Definitely; Server brand changed to 'cauldron,craftbukkit,mcpc,fml,forge'
Type: Dedicated Server (map_server.txt)