2012-01-17 12:51:40 [SEVERE] null
org.bukkit.command.CommandException: Unhandled exception executing command 'skills' in plugin Heroes v1.4.3-b1051
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:42)
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:166)
	at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:378)
	at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.java:758)
	at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:723)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:716)
	at org.getspout.spout.SpoutNetServerHandler.a(SpoutNetServerHandler.java:180)
	at net.minecraft.server.Packet3Chat.a(Packet3Chat.java:33)
	at net.minecraft.server.NetworkManager.b(NetworkManager.java:226)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:93)
	at org.getspout.spout.SpoutNetServerHandler.a(SpoutNetServerHandler.java:550)
	at net.minecraft.server.NetworkListenThread.a(SourceFile:108)
	at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:527)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:425)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:457)
Caused by: java.lang.AbstractMethodError
	at com.herocraftonline.dev.heroes.command.commands.SkillListCommand.execute(Unknown Source)
	at com.herocraftonline.dev.heroes.command.CommandHandler.dispatch(Unknown Source)
	at com.herocraftonline.dev.heroes.Heroes.onCommand(Unknown Source)
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:40)
	... 14 more