Miért crash-sel a Minecraft 1.7.2 szerverem, ahogy berakom a modokat a mods mappába?

---- Minecraft Crash Report ----

// Uh... Did I do that?

Time: 2014.06.25. 20:37

Description: Exception in server tick loop

cpw.mods.fml.common.LoaderException: java.lang.NoClassDefFoundError: net/minecraft/client/entity/EntityClientPlayerMP

at cpw.mods.fml.common.LoadController.transition(LoadController.java:162)

at cpw.mods.fml.common.Loader.initializeMods(Loader.java:691)

at cpw.mods.fml.server.FMLServerHandler.finishServerLoading(FMLServerHandler.java:97)

at cpw.mods.fml.common.FMLCommonHandler.onServerStarted(FMLCommonHandler.java:318)

at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:187)

at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:374)

at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:669)

Caused by: java.lang.NoClassDefFoundError: net/minecraft/client/entity/EntityClientPlayerMP

at assets.levelup.LevelUp.load(LevelUp.java:48)

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 cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:513)

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.initializeMods(Loader.java:690)

... 5 more

Caused by: java.lang.ClassNotFoundException: net.minecraft.client.entity.EntityClientPlayerMP

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:188)

at java.lang.ClassLoader.loadClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

... 32 more

Caused by: java.lang.NullPointerException

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 (amd64) version 6.1

Java Version: 1.7.0_55, Oracle Corporation

Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation

Memory: 1726939032 bytes (1646 MB) / 1836580864 bytes (1751 MB) up to 5726797824 bytes (5461 MB)

JVM Flags: 2 total; -Xmx6G -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 v7.2.209.1112 Minecraft Forge 10.12.1.1112 13 mods loaded, 13 mods active

mcp{9.03} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized

FML{7.2.209.1112} [Forge Mod Loader] (forge-1.7.2-10.12.1.1112-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized

Forge{10.12.1.1112} [Minecraft Forge] (forge-1.7.2-10.12.1.1112-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized

CodeChickenCore{1.0.0} [CodeChicken Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized

itemphysic{0.8.1} [ItemPhysic] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized

NotEnoughItems{1.0.1} [Not Enough Items] (NotEnoughItems-1.7.2-1.0.1-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized

bspkrsCore{6.0(1.7.2)} [bspkrsCore] ([1.7.2]bspkrsCore-universal-6.0(1.7.2).jar) Unloaded->Constructed->Pre-initialized->Initialized

TreeCapitator{1.7.2.r01} [TreeCapitator] ([1.7.2]TreeCapitator-universal-1.7.2.r01.jar) Unloaded->Constructed->Pre-initialized->Initialized

iChunUtil{3.1.0} [iChunUtil] (iChunUtil-3.1.0.jar) Unloaded->Constructed->Pre-initialized->Initialized

levelup{0.3} [Level Up!] (LevelUp!-0.3(1.7.2).jar) Unloaded->Constructed->Pre-initialized->Errored

radixcore{1.2.0} [RadixCore] (RadixCore-1.2.0 MC-1.7.2.zip) Unloaded->Constructed->Pre-initialized->Initialized

mca{4.0.3} [Minecraft Comes Alive] (MCA-4.0.3 MC-1.7.2.zip) Unloaded->Constructed->Pre-initialized->Initialized

MobAmputation{3.0.1} [MobAmputation] (MobAmputation-3.0.1.jar) Unloaded->Constructed->Pre-initialized->Initialized

Profiler Position: N/A (disabled)

Is Modded: Definitely; Server brand changed to 'fml,forge'

Type: Dedicated Server (map_server.txt)