[SEVERE] null
org.bukkit.command.CommandException: Unhandled exception executing command 'mcb' in plugin MineConomy v1.6
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46)
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:189)
	at org.bukkit.craftbukkit.v1_5_R3.CraftServer.dispatchCommand(CraftServer.java:523)
	at net.minecraft.server.v1_5_R3.PlayerConnection.handleCommand(PlayerConnection.java:971)
	at net.minecraft.server.v1_5_R3.PlayerConnection.chat(PlayerConnection.java:889)
	at net.minecraft.server.v1_5_R3.PlayerConnection.a(PlayerConnection.java:846)
	at net.minecraft.server.v1_5_R3.Packet3Chat.handle(Packet3Chat.java:44)
	at net.minecraft.server.v1_5_R3.NetworkManager.b(NetworkManager.java:292)
	at net.minecraft.server.v1_5_R3.PlayerConnection.d(PlayerConnection.java:115)
	at net.minecraft.server.v1_5_R3.ServerConnection.b(SourceFile:35)
	at net.minecraft.server.v1_5_R3.DedicatedServerConnection.b(SourceFile:30)
	at net.minecraft.server.v1_5_R3.MinecraftServer.r(MinecraftServer.java:581)
	at net.minecraft.server.v1_5_R3.DedicatedServer.r(DedicatedServer.java:226)
	at net.minecraft.server.v1_5_R3.MinecraftServer.q(MinecraftServer.java:477)
	at net.minecraft.server.v1_5_R3.MinecraftServer.run(MinecraftServer.java:410)
	at net.minecraft.server.v1_5_R3.ThreadServerApplication.run(SourceFile:573)
Caused by: java.lang.NullPointerException
	at me.mjolnir.mineconomy.internal.Banking.accountExists(Banking.java:336)
	at me.mjolnir.mineconomy.internal.MCCom.accountExists(MCCom.java:792)
	at me.mjolnir.mineconomy.internal.MCCom.getBalance(MCCom.java:722)
	at me.mjolnir.mineconomy.internal.commands.Balance.check(Balance.java:755)
	at me.mjolnir.mineconomy.internal.commands.ChatExecutor.onCommand(ChatExecutor.java:570)
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
	... 15 more