#4 smote bug during automated data preprocessing

[Anonymous]

Caused by: java.lang.NullPointerException
at preprocessing.methods.DataEnrichement.Smote.populateNewInstance(Smote.java:160)
at preprocessing.methods.DataEnrichement.Smote.smoteAlg(Smote.java:138)
at preprocessing.methods.DataEnrichement.Smote.run(Smote.java:210)
at preprocessing.automatic.Chromosome.applyPreprocessors(Chromosome.java:304)
at preprocessing.automatic.Chromosome.recomputeFitness(Chromosome.java:178)
at preprocessing.automatic.GeneticWorker.sortPopulation(GeneticWorker.java:302)
at preprocessing.automatic.GeneticWorker.doInBackground(GeneticWorker.java:131)
at preprocessing.automatic.GeneticWorker.doInBackground(GeneticWorker.java:24)
at javax.swing.SwingWorker$1.call(SwingWorker.java:278)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at javax.swing.SwingWorker.run(SwingWorker.java:317)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)