Internal Server Error Forge 1.7.10

[12:59:41] [user Authenticator #1/INFO]: UUID of player Sqcrificed is 18cea619-3b79-4b47-80e6-b2bd45adeb1d

[12:59:42] [server thread/INFO]: Sqcrificed[/(Ip Address)] logged in with entity id 485 at (-136.5, 63.0, 94.5)

[12:59:42] [server thread/INFO]: Sqcrificed joined the game

[12:59:46] [server thread/WARN]: Failed to handle packet for /(Ip Address)

net.minecraft.util.ReportedException: Ticking player

at net.minecraft.entity.player.EntityPlayerMP.func_71127_g(EntityPlayerMP.java:349) ~[mw.class:?]

at net.minecraft.network.NetHandlerPlayServer.func_147347_a(NetHandlerPlayServer.java:303) ~[nh.class:?]

at net.minecraft.network.play.client.C03PacketPlayer.func_148833_a(SourceFile:137) ~[jd.class:?]

at net.minecraft.network.play.client.C03PacketPlayer$C06PacketPlayerPosLook.func_148833_a(SourceFile:20) ~[jf.class:?]

at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:212) ~[ej.class:?]

at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:165) [nc.class:?]

at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:659) [MinecraftServer.class:?]

at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:334) [lt.class:?]

at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547) [MinecraftServer.class:?]

at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427) [MinecraftServer.class:?]

at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685) [li.class:?]

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

at littlebreadloaf.bleach.events.BleachPlayerTickHandler.onPlayerTick(BleachPlayerTickHandler.java:135) ~[bleachPlayerTickHandler.class:?]

at cpw.mods.fml.common.eventhandler.ASMEventHandler_6_BleachPlayerTickHandler_onPlayerTick_PlayerTickEvent.invoke(.dynamic) ~[?:?]

at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54) ~[ASMEventHandler.class:?]

at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:140) ~[EventBus.class:?]

at cpw.mods.fml.common.FMLCommonHandler.onPlayerPreTick(FMLCommonHandler.java:345) ~[FMLCommonHandler.class:?]

at net.minecraft.entity.player.EntityPlayer.func_70071_h_(EntityPlayer.java:220) ~[yz.class:?]

at net.minecraft.entity.player.EntityPlayerMP.func_71127_g(EntityPlayerMP.java:295) ~[mw.class:?]

... 10 more

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

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.12.jar:?]

at java.lang.ClassLoader.loadClass(ClassLoader.java:425) ~[?:1.7.0_79]

at java.lang.ClassLoader.loadClass(ClassLoader.java:358) ~[?:1.7.0_79]

at littlebreadloaf.bleach.events.BleachPlayerTickHandler.onPlayerTick(BleachPlayerTickHandler.java:135) ~[bleachPlayerTickHandler.class:?]

at cpw.mods.fml.common.eventhandler.ASMEventHandler_6_BleachPlayerTickHandler_onPlayerTick_PlayerTickEvent.invoke(.dynamic) ~[?:?]

at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54) ~[ASMEventHandler.class:?]

at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:140) ~[EventBus.class:?]

at cpw.mods.fml.common.FMLCommonHandler.onPlayerPreTick(FMLCommonHandler.java:345) ~[FMLCommonHandler.class:?]

at net.minecraft.entity.player.EntityPlayer.func_70071_h_(EntityPlayer.java:220) ~[yz.class:?]

at net.minecraft.entity.player.EntityPlayerMP.func_71127_g(EntityPlayerMP.java:295) ~[mw.class:?]

... 10 more

Caused by: java.lang.NullPointerException

[12:59:46] [server thread/INFO]: Sqcrificed lost connection: TextComponent{text='Internal server error', siblings=[], style=Style{hasParent=false, color=null, bold=null, italic=null, underlined=null, obfuscated=null, clickEvent=null, hoverEvent=null}}

[12:59:46] [server thread/INFO]: Sqcrificed left the game