java.lang.NumberFormatException: null
at java.lang.Integer.parseInt(Unknown Source)
at java.lang.Integer.<init>(Unknown Source)
at de.hotmail.gurkilein.Bankcraft.bankInteract.kontoneuxp(bankInteract.java:131)
at de.hotmail.gurkilein.Bankcraft.BankcraftPlayerListener.onklick(BankcraftPlayerListener.java:124)
at sun.reflect.GeneratedMethodAccessor57.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:301)
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:461)
at org.bukkit.craftbukkit.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:179)
at net.minecraft.server.ItemInWorldManager.dig(ItemInWorldManager.java:93)
at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:537)
at net.minecraft.server.Packet14BlockDig.handle(SourceFile:43)
at net.minecraft.server.NetworkManager.b(NetworkManager.java:229)
at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:113)
at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:85)
at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:625)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:509)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:490)