can anyone help me?
the mod works fine on my client but,
when i try the port i get a:06:40:04
[SEVERE] java.lang.UnsupportedClassVersionError: net/minecraft/server/mod_MultiPageChest : Unsupported major.minor version 51.0
06:40:04 [SEVERE] at java.lang.ClassLoader.defineClass1(Native Method)
06:40:04 [SEVERE] at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
06:40:04 [SEVERE] at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
06:40:04 [SEVERE] at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
06:40:04 [SEVERE] at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
06:40:04 [SEVERE] at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
06:40:04 [SEVERE] at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
06:40:04 [SEVERE] at java.security.AccessController.doPrivileged(Native Method)
06:40:04 [SEVERE] at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
06:40:04 [SEVERE] at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
06:40:04 [SEVERE] at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
06:40:04 [SEVERE] at java.lang.ClassLoader.loadClass(ClassLoader.java:295)
06:40:04 [SEVERE] at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
06:40:04 [SEVERE] at java.lang.Class.forName0(Native Method)
06:40:04 [SEVERE] at java.lang.Class.forName(Class.java:247)
06:40:04 [SEVERE] at cpw.mods.fml.common.Loader.loadModClass(Loader.java:440)
06:40:04 [SEVERE] at cpw.mods.fml.common.Loader.attemptDirLoad(Loader.java:428)
06:40:04 [SEVERE] at cpw.mods.fml.common.Loader.attemptDirLoad(Loader.java:419)
06:40:04 [SEVERE] at cpw.mods.fml.common.Loader.attemptDirLoad(Loader.java:419)
06:40:04 [SEVERE] at cpw.mods.fml.common.Loader.attemptDirLoad(Loader.java:419)
06:40:04 [SEVERE] at cpw.mods.fml.common.Loader.load(Loader.java:357)
06:40:04 [SEVERE] at cpw.mods.fml.common.Loader.loadMods(Loader.java:527)
06:40:04 [SEVERE] at cpw.mods.fml.server.FMLBukkitHandler.onPreLoad(FMLBukkitHandler.java:113)
06:40:04 [SEVERE] at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:118)
06:40:04 [SEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:426)
06:40:04 [SEVERE] at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
06:40:04 [SEVERE] Unexpected exception
java.lang.UnsupportedClassVersionError: net/minecraft/server/mod_MultiPageChest : Unsupported major.minor version 51.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:295)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:247)
at cpw.mods.fml.common.Loader.loadModClass(Loader.java:440)
at cpw.mods.fml.common.Loader.attemptDirLoad(Loader.java:428)
at cpw.mods.fml.common.Loader.attemptDirLoad(Loader.java:419)
at cpw.mods.fml.common.Loader.attemptDirLoad(Loader.java:419)
at cpw.mods.fml.common.Loader.attemptDirLoad(Loader.java:419)
at cpw.mods.fml.common.Loader.load(Loader.java:357)
at cpw.mods.fml.common.Loader.loadMods(Loader.java:527)
at cpw.mods.fml.server.FMLBukkitHandler.onPreLoad(FMLBukkitHandler.java:113)
at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:118)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:426)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
>
thanks
