ArrayIndexOutOfBoundsException

java.lang.ArrayIndexOutOfBoundsException: 4
        at org.powerbot.game.api.methods.Widgets.scroll(Unknown Source)
        at org.powerbot.game.api.methods.widget.Bank.withdraw(Unknown Source)
        at SyntoFuntus$SyntoMainClass.Bank(SyntoFuntus.java:2849)
        at SyntoFuntus$SyntoMainClass.TakenVerdeler(SyntoFuntus.java:1556)
        at SyntoFuntus$SyntoMainClass.execute(SyntoFuntus.java:1533)
        at org.powerbot.core.script.job.Task.work(Unknown Source)
        at org.powerbot.core.script.job.TaskContainer$1.run(Unknown Source)
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
        at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
        at java.util.concurrent.FutureTask.run(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)