Problem RapidMiner GUI for Classifying Audio Data

Hello

I have to write a Java-Application where i want to make RapidMiner GUI for Classifying Audio Data, I use rapidminer.jar (version 4.0) and rapidminer-valueseries-4.0.jar

but I got the error-message below is code for preprocessing data for automatic feature extraction audio data :

G Jul 27, 2008 1:32:38 PM: Loading operators from 'C:\Program Files\RapidMiner\RapidMiner-4.0\lib\plugins\rapidminer-valueseries-4.0.jar'.
Root[0] (Process)
+- MusicExampleSource[0] (MusicExampleSource)
+- ValueSeriesGP[0] (ValueSeriesGP)
+- XValidation[0] (XValidation)
+- LibSVMLearner[0] (LibSVMLearner)
+- ModelApplier[0] (ModelApplier)
+- PerformanceEvaluator[0] (PerformanceEvaluator)
P Jul 27, 2008 1:32:40 PM: Initialising process setup
P Jul 27, 2008 1:32:40 PM: [NOTE] No filename given for result file, using stdout for logging results!
P Jul 27, 2008 1:32:40 PM: Checking properties...
P Jul 27, 2008 1:32:40 PM: Properties are ok.
P Jul 27, 2008 1:32:40 PM: Checking process setup...
P Jul 27, 2008 1:32:40 PM: [Error] ValueSeriesGP: ValueSeriesGP: Operator has 0 children, should be 1
P Jul 27, 2008 1:32:40 PM: [Error] XValidation: XValidation: Operator has 0 children, should be 2
P Jul 27, 2008 1:32:40 PM: [Error] Process setup not ok
P Jul 27, 2008 1:32:40 PM: [Error] There were 2 errors.
P Jul 27, 2008 1:32:40 PM: [Warning] PerformanceEvaluator: PerformanceEvaluator: Please use the operators BasicPerformance, RegressionPerformance, ClassificationPerformance, or BinominalClassificationPerformance instead.
P Jul 27, 2008 1:32:40 PM: [Warning] Deprecations: 1 usage of deprecated operators.
P Jul 27, 2008 1:32:40 PM: Process initialised
P Jul 27, 2008 1:32:40 PM: [NOTE] Process starts
P Jul 27, 2008 1:32:40 PM: Process:
  Root[0] (Process)
  +- MusicExampleSource[0] (MusicExampleSource)
  +- ValueSeriesGP[0] (ValueSeriesGP)
  +- XValidation[0] (XValidation)
  +- LibSVMLearner[0] (LibSVMLearner)
  +- ModelApplier[0] (ModelApplier)
  +- PerformanceEvaluator[0] (PerformanceEvaluator)
Exception in thread "main" java.lang.RuntimeException: Illegal operator index in getOperator() (ValueSeriesGP): 0
        at com.rapidminer.operator.OperatorChain.getOperator(OperatorChain.java:227)
        at com.rapidminer.valueseries.gp.ValueSeriesGP.evaluate(Unknown Source)
        at com.rapidminer.valueseries.gp.ValueSeriesGP.apply(Unknown Source)
        at com.rapidminer.operator.Operator.apply(Operator.java:648)
        at com.rapidminer.operator.OperatorChain.apply(OperatorChain.java:379)
        at com.rapidminer.operator.Operator.apply(Operator.java:648)
        at com.rapidminer.Process.run(Process.java:545)
        at com.rapidminer.Process.run(Process.java:534)
        at com.rapidminer.Process.run(Process.java:524)
        at seriusne.ProcessCreator.main(ProcessCreator.java:221)

Could anyone plz let me the solution or where i could be going wrong?
Thanks and Regards.