ModelBuilder DB issue

[jwildenhain]

Exception in thread "main" java.lang.IllegalArgumentException: A nominal attribute (BCUTw_1h) cannot have duplicate labels ('(31.972072-31.972072]').
at weka.core.Attribute.(Attribute.java:350)
at weka.core.Attribute.(Attribute.java:300)
at weka.filters.supervised.attribute.Discretize.setOutputFormat(Discretize.java:910)
at weka.filters.supervised.attribute.Discretize.batchFinished(Discretize.java:344)
at weka.filters.Filter.useFilter(Filter.java:682)
at weka.attributeSelection.CfsSubsetEval.buildEvaluator(CfsSubsetEval.java:344)
at weka.attributeSelection.AttributeSelection.SelectAttributes(AttributeSelection.java:597)
at weka.filters.supervised.attribute.AttributeSelection.batchFinished(AttributeSelection.java:456)
at weka.filters.Filter.useFilter(Filter.java:682)
at nick.test.ModelBuilder.main(ModelBuilder.java:1157)