CraftConomy Bank List Error

2013-04-28 17:28:43 [INFO] Rat_Cat12 issued server command: /bank list
2013-04-28 17:28:43 [SEVERE] null
org.bukkit.command.CommandException: Unhandled exception executing command 'bank' in plugin Craftconomy3 v3.1.3 b1125-d4c7ab080721d282a1ad07cd90b9e1be9b549a33-master
    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46)
    at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:189)
    at org.bukkit.craftbukkit.v1_5_R2.CraftServer.dispatchCommand(CraftServer.java:523)
    at net.minecraft.server.v1_5_R2.PlayerConnection.handleCommand(PlayerConnection.java:966)
    at net.minecraft.server.v1_5_R2.PlayerConnection.chat(PlayerConnection.java:884)
    at net.minecraft.server.v1_5_R2.PlayerConnection.a(PlayerConnection.java:841)
    at net.minecraft.server.v1_5_R2.Packet3Chat.handle(Packet3Chat.java:44)
    at net.minecraft.server.v1_5_R2.NetworkManager.b(NetworkManager.java:292)
    at net.minecraft.server.v1_5_R2.PlayerConnection.d(PlayerConnection.java:110)
    at net.minecraft.server.v1_5_R2.ServerConnection.b(SourceFile:35)
    at net.minecraft.server.v1_5_R2.DedicatedServerConnection.b(SourceFile:30)
    at net.minecraft.server.v1_5_R2.MinecraftServer.r(MinecraftServer.java:580)
    at net.minecraft.server.v1_5_R2.DedicatedServer.r(DedicatedServer.java:225)
    at net.minecraft.server.v1_5_R2.MinecraftServer.q(MinecraftServer.java:476)
    at net.minecraft.server.v1_5_R2.MinecraftServer.run(MinecraftServer.java:409)
    at net.minecraft.server.v1_5_R2.ThreadServerApplication.run(SourceFile:573)
Caused by: java.lang.NullPointerException
    at java.util.regex.Matcher.getTextLength(Unknown Source)
    at java.util.regex.Matcher.reset(Unknown Source)
    at java.util.regex.Matcher.<init>(Unknown Source)
    at java.util.regex.Pattern.matcher(Unknown Source)
    at java.util.Formatter.parse(Unknown Source)
    at java.util.Formatter.format(Unknown Source)
    at java.util.Formatter.format(Unknown Source)
    at java.lang.String.format(Unknown Source)
    at com.greatmancode.craftconomy3.commands.bank.BankListCommand.execute(BankListCommand.java:39)
    at com.greatmancode.craftconomy3.commands.CommandHandler.execute(CommandHandler.java:65)
    at com.greatmancode.craftconomy3.commands.managers.BukkitCommandManager.onCommand(BukkitCommandManager.java:45)
    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
    ... 15 more