Hi there,

I am getting this still but I believe it is Vault this time and not bPermissions.

Thanks =)

[SEVERE] java.lang.ArrayIndexOutOfBoundsException: 0
[SEVERE]    at net.milkbowl.vault.permission.plugins.Permission_bPermissions2.getPrimaryGroup(Permission_bPermissions2.java:153)
[SEVERE]    at net.milkbowl.vault.chat.Chat.getPrimaryGroup(Chat.java:713)
[SEVERE]    at org.monstercraft.irc.plugin.util.StringUtils.getGroupPrefix(StringUtils.java:101)
[SEVERE]    at org.monstercraft.irc.plugin.managers.listeners.MonsterIRCListener.handleMessage(MonsterIRCListener.java:154)
[SEVERE]    at org.monstercraft.irc.plugin.managers.listeners.MonsterIRCListener.onPlayerChat(MonsterIRCListener.java:77)
[SEVERE]    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[SEVERE]    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
[SEVERE]    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
[SEVERE]    at java.lang.reflect.Method.invoke(Unknown Source)
[SEVERE]    at org.bukkit.plugin.java.JavaPluginLoader$103.execute(JavaPluginLoader.java:1024)
[SEVERE]    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:61)
[SEVERE]    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:460)
[SEVERE]    at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:749)
[SEVERE]    at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:732)
[SEVERE]    at net.minecraft.server.Packet3Chat.handle(Packet3Chat.java:33)
[SEVERE]    at net.minecraft.server.NetworkManager.b(NetworkManager.java:226)
[SEVERE]    at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:100)
[SEVERE]    at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:78)
[SEVERE]    at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:537)
[SEVERE]    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:435)
[SEVERE]    at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)

thanks. fixed in latest commit & build #133