Bukkit

What is the issue?
I'm using CraftBukkit 1.4.6-R0.3 and when my server starts, i get the following errors:
Please provide any additional information below.
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate]
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate] Internal error!
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate] If this bug hasn't been reported please open a ticket at http://forums.bukkit.org/threads/autoupdate-update-your-plugins.84421/
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate] Include the following into your bug report:
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate]           ======= SNIP HERE =======
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate] java.lang.ClassCastException: org.json.simple.JSONArray cannot be cast to org.json.simple.JSONObject
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate]     at de.V10lator.BananaRegion.AutoUpdate.run(AutoUpdate.java:333)
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate]     at org.bukkit.craftbukkit.v1_4_6.scheduler.CraftTask.run(CraftTask.java:53)
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate]     at org.bukkit.craftbukkit.v1_4_6.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate]     at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate]     at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate]     at java.lang.Thread.run(Unknown Source)
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate]           ======= DUMP =======
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate] version        : 1.4
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate] delay          : 216000
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate] bukkitdevSlug  : bananaregion
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate] COLOR_INFO     : DARK_AQUA
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate] COLO_OK        : GREEN
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate] COLOR_ERROR    : RED
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate] pid            : 1463
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate] av             : 5.1.2
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate] config         : null
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate] lock           : true
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate] needUpdate     : false
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate] updatePending  : false
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate] UpdateUrl      : null
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate] updateVersion  : null
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate] pluginURL      : null
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate] type           : null
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate]           ======= SNIP HERE =======
2013-01-03 22:07:57 [INFO] [BananaRegion] [AutoUpdate]
2013-01-03 22:08:04 [INFO] PAL_18[/x.x.x.x:41253] logged in with entity id 1658 at ([GameFront] 235.69999998807907, 59.0, 322.4397501754008)
2013-01-03 22:08:04 [SEVERE] Could not pass event ChunkLoadEvent to BananaRegion v5.1.2
org.bukkit.event.EventException
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:427)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:477)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:462)
    at net.minecraft.server.v1_4_6.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:139)
    at net.minecraft.server.v1_4_6.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:85)
    at net.minecraft.server.v1_4_6.PlayerList.a(PlayerList.java:127)
    at net.minecraft.server.v1_4_6.PlayerList.c(PlayerList.java:171)
    at net.minecraft.server.v1_4_6.PlayerList.a(PlayerList.java:95)
    at net.minecraft.server.v1_4_6.PendingConnection.d(PendingConnection.java:130)
    at net.minecraft.server.v1_4_6.PendingConnection.c(PendingConnection.java:45)
    at net.minecraft.server.v1_4_6.DedicatedServerConnectionThread.a(DedicatedServerConnectionThread.java:44)
    at net.minecraft.server.v1_4_6.DedicatedServerConnection.b(SourceFile:29)
    at net.minecraft.server.v1_4_6.MinecraftServer.r(MinecraftServer.java:598)
    at net.minecraft.server.v1_4_6.DedicatedServer.r(DedicatedServer.java:224)
    at net.minecraft.server.v1_4_6.MinecraftServer.q(MinecraftServer.java:494)
    at net.minecraft.server.v1_4_6.MinecraftServer.run(MinecraftServer.java:427)
    at net.minecraft.server.v1_4_6.ThreadServerApplication.run(SourceFile:849)
Caused by: java.lang.NullPointerException
    at org.bukkit.craftbukkit.v1_4_6.block.CraftSign.<init>(CraftSign.java:17)
    at org.bukkit.craftbukkit.v1_4_6.block.CraftBlock.getState(CraftBlock.java:242)
    at org.bukkit.craftbukkit.v1_4_6.CraftChunk.getTileEntities(CraftChunk.java:117)
    at de.V10lator.BananaRegion.BRWorldListener.onChunkLoad(BRWorldListener.java:56)
    at sun.reflect.GeneratedMethodAccessor19.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425)
    ... 17 more