2012-01-15 21:09:55 [SEVERE] null
org.bukkit.command.CommandException: Unhandled exception executing command 'ban' in plugin UltraBan v0.1.6
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:42)
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:168)
	at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:385)
	at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.java:777)
	at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:737)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:725)
	at net.minecraft.server.Packet3Chat.handle(Packet3Chat.java:33)
	at net.minecraft.server.NetworkManager.b(NetworkManager.java:226)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:100)
	at net.minecraft.server.NetworkListenThread.a(SourceFile:108)
	at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:536)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:434)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)
Caused by: java.lang.NullPointerException
	at ru.tehkode.permissions.PermissionManager.has(PermissionManager.java:67)
	at ru.tehkode.permissions.bukkit.PermissionsEx.has(PermissionsEx.java:167)
	at net.milkbowl.vault.permission.plugins.Permission_PermissionsEx.playerHas(Permission_PermissionsEx.java:90)
	at net.milkbowl.vault.permission.plugins.Permission_PermissionsEx.has(Permission_PermissionsEx.java:85)
	at com.modcrafting.ultrabans.commands.Ban.onCommand(Ban.java:83)
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:40)
	... 12 more