Mod not loading mod_WirelessRedstoneAddons overrides

[Blixia]

Title: Mod not loading mod_WirelessRedstoneAddons overrides

Version: 3.1.2

OS: Ubuntu server12.04

Java Version: 7

Description of Problem:

Tekkit server doesn't start. No clue where to start looking or what to do. Google didn't give any results to solve this.

Error Messages:

Error Log:

22:41:00 [sEVERE] A problem has occured during mod loading. Likely a corrupt jar is located in your mods directory

22:41:00 [sEVERE] cpw.mods.fml.common.LoaderException: cpw.mods.fml.common.LoaderException: java.lang.VerifyError: class net.minecraft.server.mod_WirelessRedstoneAddons overrides final method onPlayerLogout.(Ljava/lang/Object;)V

22:41:00 [sEVERE]       at cpw.mods.fml.common.Loader.load(Loader.java:436)

22:41:00 [sEVERE]       at cpw.mods.fml.common.Loader.loadMods(Loader.java:606)

22:41:00 [sEVERE]       at cpw.mods.fml.server.FMLBukkitHandler.onPreLoad(FMLBukkitHandler.java:134)

22:41:00 [sEVERE]       at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:135)

22:41:00 [sEVERE]       at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:438)

22:41:00 [sEVERE]       at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)

22:41:00 [sEVERE] Caused by: cpw.mods.fml.common.LoaderException: java.lang.VerifyError: class net.minecraft.server.mod_WirelessRedstoneAddons overrides final method onPlayerLogout.(Ljava/lang/Object;)V

22:41:00 [sEVERE]       at cpw.mods.fml.common.Loader.loadModClass(Loader.java:527)

22:41:00 [sEVERE]       at cpw.mods.fml.common.Loader.attemptFileLoad(Loader.java:562)

22:41:00 [sEVERE]       at cpw.mods.fml.common.Loader.load(Loader.java:419)

22:41:00 [sEVERE]       ... 5 more

22:41:00 [sEVERE] Caused by: java.lang.VerifyError: class net.minecraft.server.mod_WirelessRedstoneAddons overrides final method onPlayerLogout.(Ljava/lang/Object;)V

22:41:00 [sEVERE]       at java.lang.ClassLoader.defineClass1(Native Method)

22:41:00 [sEVERE]       at java.lang.ClassLoader.defineClass(ClassLoader.java:791)

22:41:00 [sEVERE]       at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)

22:41:00 [sEVERE]       at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)

22:41:00 [sEVERE]       at java.net.URLClassLoader.access$100(URLClassLoader.java:71)

22:41:00 [sEVERE]       at java.net.URLClassLoader$1.run(URLClassLoader.java:361)

22:41:00 [sEVERE]       at java.net.URLClassLoader$1.run(URLClassLoader.java:355)

22:41:00 [sEVERE]       at java.security.AccessController.doPrivileged(Native Method)

22:41:00 [sEVERE]       at java.net.URLClassLoader.findClass(URLClassLoader.java:354)

22:41:00 [sEVERE]       at java.lang.ClassLoader.loadClass(ClassLoader.java:423)

22:41:00 [sEVERE]       at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)

22:41:00 [sEVERE]       at java.lang.ClassLoader.loadClass(ClassLoader.java:410)

22:41:00 [sEVERE]       at java.lang.ClassLoader.loadClass(ClassLoader.java:356)

22:41:00 [sEVERE]       at java.lang.Class.forName0(Native Method)

22:41:00 [sEVERE]       at java.lang.Class.forName(Class.java:264)

22:41:00 [sEVERE]       at cpw.mods.fml.common.Loader.loadModClass(Loader.java:494)

22:41:00 [sEVERE]       ... 7 more

22:41:00 [sEVERE] Unexpected exception

cpw.mods.fml.common.LoaderException: cpw.mods.fml.common.LoaderException: java.lang.VerifyError: class net.minecraft.server.mod_WirelessRedstoneAddons overrides final method onPlayerLogout.(Ljava/lang/Object;)V

        at cpw.mods.fml.common.Loader.load(Loader.java:436)

        at cpw.mods.fml.common.Loader.loadMods(Loader.java:606)

        at cpw.mods.fml.server.FMLBukkitHandler.onPreLoad(FMLBukkitHandler.java:134)

        at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:135)

        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:438)

        at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)

Caused by: cpw.mods.fml.common.LoaderException: java.lang.VerifyError: class net.minecraft.server.mod_WirelessRedstoneAddons overrides final method onPlayerLogout.(Ljava/lang/Object;)V

        at cpw.mods.fml.common.Loader.loadModClass(Loader.java:527)

        at cpw.mods.fml.common.Loader.attemptFileLoad(Loader.java:562)

        at cpw.mods.fml.common.Loader.load(Loader.java:419)

        ... 5 more

Caused by: java.lang.VerifyError: class net.minecraft.server.mod_WirelessRedstoneAddons overrides final method onPlayerLogout.(Ljava/lang/Object;)V

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

        at java.lang.ClassLoader.defineClass(ClassLoader.java:791)

        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)

        at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)

        at java.net.URLClassLoader.access$100(URLClassLoader.java:71)

        at java.net.URLClassLoader$1.run(URLClassLoader.java:361)

        at java.net.URLClassLoader$1.run(URLClassLoader.java:355)

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

        at java.net.URLClassLoader.findClass(URLClassLoader.java:354)

        at java.lang.ClassLoader.loadClass(ClassLoader.java:423)

        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)

        at java.lang.ClassLoader.loadClass(ClassLoader.java:410)

        at java.lang.ClassLoader.loadClass(ClassLoader.java:356)

        at java.lang.Class.forName0(Native Method)

        at java.lang.Class.forName(Class.java:264)

        at cpw.mods.fml.common.Loader.loadModClass(Loader.java:494)

        ... 7 more