i get this erorr when i to run my tekitt server

[mafen]

FINE: Mod Loaded: "mod_BuildCraftFactory 2.2.12" from mod_BuildCraftFactory.class

12.mar.2012 20:37:29 net.minecraft.server.ModLoader addMod

FINE: Mod Loaded: "mod_BuildCraftEnergy 2.2.12" from mod_BuildCraftEnergy.class

12.mar.2012 20:37:29 net.minecraft.server.ModLoader addMod

FINE: Mod Loaded: "mod_BuildCraftCore 2.2.12" from mod_BuildCraftCore.class

12.mar.2012 20:37:29 net.minecraft.server.ModLoader addMod

FINE: Mod Loaded: "mod_BuildCraftTransport 2.2.12" from mod_BuildCraftTransport.class

12.mar.2012 20:37:29 net.minecraft.server.ModLoader readFromModFolder

FINER: Adding mods from C:\Users\Sigve\Desktop\Downloads\Tekkit_Server_2.1.1\mods\[1]Industrialcraft2-1.71-cb1.1R4-r4.zip

12.mar.2012 20:37:29 net.minecraft.server.ModLoader readFromModFolder

FINER: Zip found.

12.mar.2012 20:37:29 net.minecraft.server.ModLoader addMod

FINE: Mod Loaded: "mod_IC2 v1.71" from mod_IC2.class

12.mar.2012 20:37:29 net.minecraft.server.ModLoader readFromModFolder

FINER: Adding mods from C:\Users\Sigve\Desktop\Downloads\Tekkit_Server_2.1.1\mods\[1]Redpower-all-2.0p4d-b1.1R3.zip

12.mar.2012 20:37:29 net.minecraft.server.ModLoader readFromModFolder

FINER: Zip found.

12.mar.2012 20:37:29 net.minecraft.server.ModLoader addMod

FINE: Mod Loaded: "mod_RedPowerLighting 2.0pr4d" from mod_RedPowerLighting.class

12.mar.2012 20:37:29 net.minecraft.server.ModLoader addMod

FINE: Mod Loaded: "mod_RedPowerArray 2.0pr4d" from mod_RedPowerArray.class

12.mar.2012 20:37:29 net.minecraft.server.ModLoader addMod

FINE: Mod Loaded: "mod_RedPowerMachine 2.0pr4d" from mod_RedPowerMachine.class

12.mar.2012 20:37:29 net.minecraft.server.ModLoader addMod

FINE: Mod Loaded: "mod_RedPowerLogic 2.0pr4d" from mod_RedPowerLogic.class

12.mar.2012 20:37:29 net.minecraft.server.ModLoader addMod

FINE: Mod Loaded: "mod_RedPowerWorld 2.0pr4d" from mod_RedPowerWorld.class

12.mar.2012 20:37:29 net.minecraft.server.ModLoader addMod

FINE: Mod Loaded: "mod_RedPowerCore 2.0pr4d" from mod_RedPowerCore.class

12.mar.2012 20:37:29 net.minecraft.server.ModLoader addMod

FINE: Mod Loaded: "mod_RedPowerWiring 2.0pr4d" from mod_RedPowerWiring.class

12.mar.2012 20:37:29 net.minecraft.server.ModLoader readFromModFolder

FINER: Adding mods from C:\Users\Sigve\Desktop\Downloads\Tekkit_Server_2.1.1\mods\[2]Additionalpipes-32.3-bukkit-b1.1R4-r1.zip

12.mar.2012 20:37:29 net.minecraft.server.ModLoader readFromModFolder

FINER: Zip found.

12.mar.2012 20:37:29 net.minecraft.server.ModLoader addMod

FINE: Mod Loaded: "mod_zAdditionalPipes Rev32.3" from mod_zAdditionalPipes.class

12.mar.2012 20:37:29 net.minecraft.server.ModLoader readFromModFolder

FINER: Adding mods from C:\Users\Sigve\Desktop\Downloads\Tekkit_Server_2.1.1\mods\[2]AdvancedMachines_3.6_bukkit.zip

12.mar.2012 20:37:29 net.minecraft.server.ModLoader readFromModFolder

FINER: Zip found.

12.mar.2012 20:37:29 net.minecraft.server.ModLoader addMod

FINE: Failed to load mod from "mod_IC2AdvancedMachines.class"

12.mar.2012 20:37:29 ModLoader addMod

FINER: THROW

java.lang.UnsupportedClassVersionError: net/minecraft/server/mod_IC2AdvancedMachines : Unsupported major.minor version 51.0

at java.lang.ClassLoader.defineClass1(Native Method)

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

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

at java.security.SecureClassLoader.defineClass(Unknown Source)

at java.net.URLClassLoader.defineClass(Unknown Source)

at java.net.URLClassLoader.access$000(Unknown Source)

at java.net.URLClassLoader$1.run(Unknown Source)

at java.security.AccessController.doPrivileged(Native Method)

at java.net.URLClassLoader.findClass(Unknown Source)

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

at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)

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

at net.minecraft.server.ModLoader.addMod(ModLoader.java:172)

at net.minecraft.server.ModLoader.readFromModFolder(ModLoader.java:929)

at net.minecraft.server.ModLoader.init(ModLoader.java:683)

at net.minecraft.server.ModLoader.Init(ModLoader.java:1357)

at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:102)

at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:411)

at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)

12.mar.2012 20:37:29 net.minecraft.server.ModLoader ThrowException

SEVERE: Unexpected exception

java.lang.UnsupportedClassVersionError: net/minecraft/server/mod_IC2AdvancedMachines : Unsupported major.minor version 51.0

at java.lang.ClassLoader.defineClass1(Native Method)

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

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

at java.security.SecureClassLoader.defineClass(Unknown Source)

at java.net.URLClassLoader.defineClass(Unknown Source)

at java.net.URLClassLoader.access$000(Unknown Source)

at java.net.URLClassLoader$1.run(Unknown Source)

at java.security.AccessController.doPrivileged(Native Method)

at java.net.URLClassLoader.findClass(Unknown Source)

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

at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)

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

at net.minecraft.server.ModLoader.addMod(ModLoader.java:172)

at net.minecraft.server.ModLoader.readFromModFolder(ModLoader.java:929)

at net.minecraft.server.ModLoader.init(ModLoader.java:683)

at net.minecraft.server.ModLoader.Init(ModLoader.java:1357)

at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:102)

at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:411)

at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)

12.mar.2012 20:37:29 ModLoader init

FINER: THROW

java.lang.RuntimeException: Exception occured in ModLoader

at net.minecraft.server.ModLoader.ThrowException(ModLoader.java:1292)

at net.minecraft.server.ModLoader.ThrowException(ModLoader.java:1297)

at net.minecraft.server.ModLoader.addMod(ModLoader.java:193)

at net.minecraft.server.ModLoader.readFromModFolder(ModLoader.java:929)

at net.minecraft.server.ModLoader.init(ModLoader.java:683)

at net.minecraft.server.ModLoader.Init(ModLoader.java:1357)

at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:102)

at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:411)

at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)

Caused by: java.lang.UnsupportedClassVersionError: net/minecraft/server/mod_IC2AdvancedMachines : Unsupported major.minor version 51.0

at java.lang.ClassLoader.defineClass1(Native Method)

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

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

at java.security.SecureClassLoader.defineClass(Unknown Source)

at java.net.URLClassLoader.defineClass(Unknown Source)

at java.net.URLClassLoader.access$000(Unknown Source)

at java.net.URLClassLoader$1.run(Unknown Source)

at java.security.AccessController.doPrivileged(Native Method)

at java.net.URLClassLoader.findClass(Unknown Source)

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

at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)

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

at net.minecraft.server.ModLoader.addMod(ModLoader.java:172)

... 6 more

12.mar.2012 20:37:29 net.minecraft.server.ModLoader ThrowException

SEVERE: Unexpected exception

java.lang.RuntimeException: Exception occured in ModLoader

at net.minecraft.server.ModLoader.ThrowException(ModLoader.java:1292)

at net.minecraft.server.ModLoader.ThrowException(ModLoader.java:1297)

at net.minecraft.server.ModLoader.addMod(ModLoader.java:193)

at net.minecraft.server.ModLoader.readFromModFolder(ModLoader.java:929)

at net.minecraft.server.ModLoader.init(ModLoader.java:683)

at net.minecraft.server.ModLoader.Init(ModLoader.java:1357)

at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:102)

at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:411)

at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)

Caused by: java.lang.UnsupportedClassVersionError: net/minecraft/server/mod_IC2AdvancedMachines : Unsupported major.minor version 51.0

at java.lang.ClassLoader.defineClass1(Native Method)

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

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

at java.security.SecureClassLoader.defineClass(Unknown Source)

at java.net.URLClassLoader.defineClass(Unknown Source)

at java.net.URLClassLoader.access$000(Unknown Source)

at java.net.URLClassLoader$1.run(Unknown Source)

at java.security.AccessController.doPrivileged(Native Method)

at java.net.URLClassLoader.findClass(Unknown Source)

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

at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)

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

at net.minecraft.server.ModLoader.addMod(ModLoader.java:172)

... 6 more

[Viderizer]

How hard can it be reading the stickies? http://forums.technicpack.net/index.php/topic,2797.0.html"]Not following bug report format. http://forums.technicpack.net/index.php/topic,2834.0.html"]Also the fix is already there.