00:44:56 [SEVERE] Error occurred while enabling MobArena v0.94.4.41 (Is it up to
 date?): Block must be a sign!   MYA NOT BE COMPATIBLE WITH BUKKIT BUILD, UPDATE BOTH
java.lang.IllegalArgumentException: Block must be a sign!
        at com.garbagemule.MobArena.leaderboards.Leaderboard.<init>(Leaderboard.
java:63)
        at com.garbagemule.MobArena.ArenaStandard.<init>(ArenaStandard.java:125)

        at com.garbagemule.MobArena.ArenaMasterStandard.loadArenas(ArenaMasterSt
andard.java:332)
        at com.garbagemule.MobArena.ArenaMasterStandard.initialize(ArenaMasterSt
andard.java:260)
        at com.garbagemule.MobArena.MobArena.onEnable(MobArena.java:83)
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:231)
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader
.java:1057)
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManage
r.java:379)
        at org.bukkit.craftbukkit.CraftServer.loadPlugin(CraftServer.java:191)
        at org.bukkit.craftbukkit.CraftServer.enablePlugins(CraftServer.java:174
)
        at net.minecraft.server.MinecraftServer.t(MinecraftServer.java:357)
        at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:344)
        at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:175)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:408)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)
00:44:56 [INFO] Server permissions file permissions.yml is empty, ignoring it
00:44:56 [INFO] Done (1.626s)! For help, type "help" or "?"
00:45:06 [INFO] /5.11.147.242:54570 lost connection
00:45:07 [INFO] glodefunk [/5.11.147.242:54571] logged in with entity id 253 at
([bukkit_world1] 136.25, 70.0, 198.90625)
00:45:08 [INFO] Brozeph [/5.159.4.93:59865] logged in with entity id 260 at ([bu
kkit_world1] 200.27763791569183, 70.12353997699849, 192.68737300453944)
>