2012-05-13 19:25:21 [INFO] [MobArena] Enabling MobArena v0.94.4.65
2012-05-13 19:25:21 [INFO] [MobArena] No boss abilities found. Extracting defaults...
2012-05-13 19:25:21 [SEVERE] [MobArena] Couldn't extract the default boss abilities!
2012-05-13 19:25:21 [SEVERE] Error occurred while enabling MobArena v0.94.4.65 (Is it up to date?)
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:134)
at com.garbagemule.MobArena.ArenaMasterImpl.loadArena(ArenaMasterImpl.java:519)
at com.garbagemule.MobArena.ArenaMasterImpl.loadArenas(ArenaMasterImpl.java:489)
at com.garbagemule.MobArena.ArenaMasterImpl.initialize(ArenaMasterImpl.java:242)
at com.garbagemule.MobArena.MobArena.onEnable(MobArena.java:81)
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:215)
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:336)
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:381)
at org.bukkit.craftbukkit.CraftServer.loadPlugin(CraftServer.java:256)
at org.bukkit.craftbukkit.CraftServer.enablePlugins(CraftServer.java:238)
at net.minecraft.server.MinecraftServer.t(MinecraftServer.java:371)
at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:358)
at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:187)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:422)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)