2012-06-03 22:26:23 [SEVERE] null
org.bukkit.command.CommandException: Unhandled exception executing command 'ma' in plugin MobArena v0.94.4.68
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:479)
at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.java:821)
at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:781)
at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:764)
at net.minecraft.server.Packet3Chat.handle(Packet3Chat.java:34)
at net.minecraft.server.NetworkManager.b(NetworkManager.java:229)
at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:113)
at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:78)
at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:567)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:459)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
Caused by: java.lang.IllegalArgumentException: Block must be a sign!
at com.garbagemule.MobArena.leaderboards.Leaderboard.<init>(Leaderboard.java:64)
at com.garbagemule.MobArena.ArenaImpl.<init>(ArenaImpl.java:136)
at com.garbagemule.MobArena.ArenaMasterImpl.loadArena(ArenaMasterImpl.java:524)
at com.garbagemule.MobArena.ArenaMasterImpl.loadArenas(ArenaMasterImpl.java:494)
at com.garbagemule.MobArena.ArenaMasterImpl.reloadConfig(ArenaMasterImpl.java:582)
at com.garbagemule.MobArena.commands.setup.ConfigCommand.execute(ConfigCommand.java:24)
at com.garbagemule.MobArena.commands.CommandHandler.onCommand(CommandHandler.java:88)
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:40)
... 12 more