2013-03-21 14:07:41 [SEVERE] Could not load 'plugins/SuperTab.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.NoClassDefFoundError: net/minecraft/server/v1_5_R1/Packet
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:184)
	at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:307)
	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:231)
	at org.bukkit.craftbukkit.v1_5_R2.CraftServer.loadPlugins(CraftServer.java:261)
	at org.bukkit.craftbukkit.v1_5_R2.CraftServer.reload(CraftServer.java:627)
	at org.bukkit.Bukkit.reload(Bukkit.java:184)
	at org.bukkit.command.defaults.ReloadCommand.execute(ReloadCommand.java:25)
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:187)
	at org.bukkit.craftbukkit.v1_5_R2.CraftServer.dispatchCommand(CraftServer.java:545)
	at net.minecraft.server.v1_5_R2.PlayerConnection.handleCommand(PlayerConnection.java:980)
	at net.minecraft.server.v1_5_R2.PlayerConnection.chat(PlayerConnection.java:896)
	at net.minecraft.server.v1_5_R2.PlayerConnection.a(PlayerConnection.java:840)
	at net.minecraft.server.v1_5_R2.Packet3Chat.handle(Packet3Chat.java:44)
	at org.spigotmc.netty.NettyNetworkManager.b(NettyNetworkManager.java:174)
	at net.minecraft.server.v1_5_R2.PlayerConnection.d(PlayerConnection.java:113)
	at net.minecraft.server.v1_5_R2.ServerConnection.b(SourceFile:35)
	at org.spigotmc.netty.NettyServerConnection.b(NettyServerConnection.java:66)
	at net.minecraft.server.v1_5_R2.MinecraftServer.r(MinecraftServer.java:582)
	at net.minecraft.server.v1_5_R2.DedicatedServer.r(DedicatedServer.java:229)
	at net.minecraft.server.v1_5_R2.MinecraftServer.q(MinecraftServer.java:471)
	at net.minecraft.server.v1_5_R2.MinecraftServer.run(MinecraftServer.java:403)
	at net.minecraft.server.v1_5_R2.ThreadServerApplication.run(SourceFile:573)
Caused by: java.lang.NoClassDefFoundError: net/minecraft/server/v1_5_R1/Packet
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Unknown Source)
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:173)
	... 21 more
Caused by: java.lang.ClassNotFoundException: net.minecraft.server.v1_5_R1.Packet
	at org.bukkit.plugin.java.PluginClassLoader.findClass0(PluginClassLoader.java:70)
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:53)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	... 24 more