the terminal problem

i go this error when i did /town new test and this poped up11:35:20 [INFO] [PLAYER_COMMAND] Wafflez180: /town new test
11:35:20 [SEVERE] null
org.bukkit.command.CommandException: Unhandled exception executing command 'town' in plugin Towny v0.79.0.0
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:402)
at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.java:784)
at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:744)
at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:732)
at lishid.orebfuscator.hook.NetServerHandlerProxy.a(NetServerHandlerProxy.java:101)
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 lishid.orebfuscator.hook.NetServerHandlerProxy.a(NetServerHandlerProxy.java:44)
at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:78)
at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:537)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:435)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)
Caused by: java.lang.NumberFormatException: For input string: "o.1E9"
at sun.misc.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:1222)
at java.lang.Double.valueOf(Double.java:475)
at com.iCo6.IO.mini.Arguments.getDouble(Arguments.java:58)
at com.iCo6.system.Queried.getBalance(Queried.java:284)
at com.iCo6.system.Holdings.getBalance(Holdings.java:22)
at com.nijikokun.register.payment.methods.iCo6$iCoAccount.balance(iCo6.java:104)
at com.palmergames.bukkit.towny.object.TownyEconomyObject.getHoldingBalance(TownyEconomyObject.java:149)
at com.palmergames.bukkit.towny.object.TownyEconomyObject.canPayFromHoldings(TownyEconomyObject.java:207)
at com.palmergames.bukkit.towny.object.TownyEconomyObject._pay(TownyEconomyObject.java:44)
at com.palmergames.bukkit.towny.object.TownyEconomyObject.pay(TownyEconomyObject.java:33)
at com.palmergames.bukkit.towny.command.TownCommand.newTown(TownCommand.java:826)
at com.palmergames.bukkit.towny.command.TownCommand.parseTownCommand(TownCommand.java:123)
at com.palmergames.bukkit.towny.command.TownCommand.onCommand(TownCommand.java:94)
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:40)
... 14 more
>